CN107676855A - Using the electric heating laying structure of heating cable - Google Patents

Using the electric heating laying structure of heating cable Download PDF

Info

Publication number
CN107676855A
CN107676855A CN201711086278.5A CN201711086278A CN107676855A CN 107676855 A CN107676855 A CN 107676855A CN 201711086278 A CN201711086278 A CN 201711086278A CN 107676855 A CN107676855 A CN 107676855A
Authority
CN
China
Prior art keywords
press strip
heating
mesh screen
screed
coat
Prior art date
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.)
Granted
Application number
CN201711086278.5A
Other languages
Chinese (zh)
Other versions
CN107676855B (en
Inventor
沙建峰
郭志敏
孙明浩
刘浩
刘杰
石岭岭
张宏宇
丁志君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STATE GRID HENAN ENERGY-SAVING SERVICES Co Ltd
Zhengzhou Power Supply Co of Henan Electric Power Co
Original Assignee
STATE GRID HENAN ENERGY-SAVING SERVICES Co Ltd
Zhengzhou Power Supply Co of Henan Electric Power Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by STATE GRID HENAN ENERGY-SAVING SERVICES Co Ltd, Zhengzhou Power Supply Co of Henan Electric Power Co filed Critical STATE GRID HENAN ENERGY-SAVING SERVICES Co Ltd
Priority to CN201711086278.5A priority Critical patent/CN107676855B/en
Publication of CN107676855A publication Critical patent/CN107676855A/en
Application granted granted Critical
Publication of CN107676855B publication Critical patent/CN107676855B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D13/00Electric heating systems
    • F24D13/02Electric heating systems solely using resistance heating, e.g. underfloor heating
    • F24D13/022Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements
    • F24D13/024Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements in walls, floors, ceilings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00Details
    • F24D19/10Arrangement or mounting of control or safety devices
    • F24D19/1096Arrangement or mounting of control or safety devices for electric heating systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00Heat sources or energy sources
    • F24D2200/08Electric heater

Abstract

The invention belongs to environment-friendly type electric heating equipment technical field, a kind of more particularly to electric heating laying structure using heating cable, include heat-insulation layer, reflecting layer, mesh screen, heating cable, concrete layer and floor successively from the bottom to top, screed-coat is set above mesh screen, screed-coat is multiple press strips, the upper surface of multiple press strips is located in same level, the upper surface of press strip sets the winding slot to match with heating cable, the upper surface of press strip sets expansion joint, and the upper surface of concrete layer and the upper surface of press strip are located at same level.The present invention above mesh screen by setting screed-coat, dispense needs to carry out concrete layer levelling program in conventional process of deployment, and press strip it is levelling mode it is more flexible, it cannot be only used for the locating effect of mesh screen, and the present invention sets expansion joint on press strip, expansion joint can provide expanded by heating space, effectively prevent overall expanded by heating and cause floor to separate the problem of hollowing occurs with concrete.

Description

Using the electric heating laying structure of heating cable
Technical field
The invention belongs to environment-friendly type electric heating equipment technical field, more particularly to a kind of electric heating using heating cable to spread If structure.
Background technology
Current China environment causes anxiety, and atmosphere pollution is mainly coal-smoke pollution, and national consumption of coal in recent years occupies height not Under, polluted to caused by air apparent.Haze getting worse simultaneously has the trend constantly expanded, has caused people to be closed extensively Note, winter north coal heating easily bring the pollution of environment, make heating period air quality severe exacerbation, cause haze to be formed.
State Council in 2017《The government work report》In point out:Atmospheric haze and water pollution are severely administered, this year, chemistry needed Oxygen amount, ammonia nitrogen discharge capacity will decline 2% respectively, and sulfur dioxide, nitrogen oxide emission decline 3% respectively, key area fine grained Thing(PM2.5)Concentration continues to decline, and strengthens Coal Clean and efficiently utilizes, and reduces and dissipates coal use, promotes using electricity instead of coal, with gas generation Coal.
Under the background that Ecological Civilization Construction is carried forward vigorously in China, implement electric energy replacement, accelerate to promote heating electrified, have Help improve efficiency of energy utilization, improve atmospheric environment, Optimization of Energy Structure, so as to realize the sustainable development of economy.At present, A variety of heating systems and the situation deposited have been formd, architecture indoor heating system has more selections, and with market Demand it is increasing, the also more science environmental protection of Heating Design mode, heating efficiency is higher.In China electric power it is relative relax and On the premise of electric heating has numerous clear superiorities, electric heating has turned into an important directions of urban heat supplying development from now on.
Application publication number CN102182308 A disclose a kind of construction work using heating cable low temperature radiation heating system Skill, construction procedure are:Construct the processing of preceding ground and metope, ground and metope laying plastic sheeting carry out damp-proof treatment, moulded Smooth laying thermal insulation layer on film is expected, using nonwoven fabric base plating aluminium foil or the smooth laying reflection of the golden aluminium-foil paper of folder on thermal insulation layer Layer, the smooth laying steel wire on reflecting layer, heating electric cable and installation outer sensor are laid on steel wire, surface layer is installed And temperature controller.The difference of the structure is:The concrete cushion below floor is needed to carry out levelling, workload is big, and And the problem of displacement, poor controllability in process of deployment be present in steel wire and heating cable.
Authorization Notice No. CN203160622U discloses a kind of laying structure of Quick-action type electricity floor heating, and it includes that ground need to be laid Basic unit, screed-coat is provided with basic unit, moistureproof cushion is equipped with screed-coat, warming plate is provided with moistureproof cushion, is being incubated Heating cable is equipped with plate, heat-conducting plate is provided with heating cable, ground ornamental is equipped with heat-conducting plate.The structure Difference is:The concrete cushion below floor is needed to carry out levelling, workload is big, and in steel wire and heating electric There is the problem of displacement, poor controllability in cable, and hollowing easily occurs in process of deployment.
The content of the invention
In view of this, the purpose of the present invention is in view of the shortcomings of the prior art, there is provided a kind of to be adopted using the electricity of heating cable Warm laying structure, by setting screed-coat above mesh screen, dispense needs to concrete layer the present invention in conventional process of deployment Carry out levelling program, and press strip it is levelling mode it is more flexible, cannot be only used for the locating effect of mesh screen, and the present invention Expansion joint is set on press strip, and expansion joint can provide expanded by heating space, effectively prevent overall expanded by heating and cause floor The problem of hollowing occurs is separated with concrete.
To reach above-mentioned purpose, the present invention uses following technical scheme:
Using the electric heating laying structure of heating cable, include successively from the bottom to top heat-insulation layer, reflecting layer, mesh screen, heating cable, Concrete layer and floor, set screed-coat above the mesh screen, and the screed-coat is multiple press strips, the upper surface position of multiple press strips In in same level, the upper surface of the press strip sets the winding slot to match with heating cable, the upper surface of the press strip Expansion joint is set, and the upper surface of the concrete layer and the upper surface of press strip are located at same level.
Further, multiple temperature sensors are set on the screed-coat, in the output end connection of the temperature sensor Processing module is entreated, the output end of the central processing module sets display module, and the central processing module and display module are set Put on wall.
Further, the crisscross setting of the press strip.
Further, the heat-insulation layer is polystyrene plates, and the mesh screen is iron net.
Further, the reflecting layer is aluminium foil, and the sandstone of the concrete layer is meter Shi.
Using the electric heating laying method of heating cable, comprise the following steps:
S1:The integral smoothness of ground and skirting is measured, job site is carried out levelling;
S2:Heat-insulation layer, reflecting layer and mesh screen are laid successively, are bonded between adjacent reflecting layer by adhesive tape;
S3:Screed-coat and heating cable are laid, press strip both ends are positioned by wedge and metope, are allowed to be fixed on mesh screen Top and fitted with mesh screen, the upper surfaces of multiple press strips is carried out by level meter levelling, is located at same level On, heating cable is laid on mesh screen, the position of heating cable revolution is stabilized in the winding slot of press strip;
S4:Concrete layer and floor are laid, concrete layer, concrete layer final set state are laid on the mesh screen between adjacent press strip When, its upper surface is located at same level, the laying floor on screed-coat and concrete layer with press strip.
Further, the mounting temperature sensor in press strip.
The beneficial effects of the invention are as follows:
1. the present invention includes heat-insulation layer, reflecting layer, mesh screen, heating cable, concrete layer and floor, setting above mesh screen levelling Layer, screed-coat is multiple press strips, and the upper surface of multiple press strips is located in same level, and the upper surface of press strip is set and heating electric The winding slot that cable matches, the upper surface of press strip set expansion joint, the upper surface of concrete layer and the upper surface of press strip positioned at same One horizontal plane;
For this structure design in construction, multiple press strips are screed-coat, and dispensing in conventional process of deployment needs to enter concrete layer The levelling program of row, and press strip it is levelling mode it is more flexible;In addition, press strip is applied not only to the locating effect of mesh screen, and Winding slot is set thereon, and coiling that can be to heating cable provides convenient winding space, and effective prevention personnel, which walk about, causes net The problem of sieve is mobile, and arranged beneficial to the revolution of heating cable, it is protected;In addition, in laying concrete layer process Middle personnel can trample press strip and be come in and gone out, and press strip has effectively disperseed the local pressure that personnel trample, and be come in and gone out in the personnel of raising On the basis of convenience, while reduce because personnel's discrepancy causes the friction between mesh screen and heat-insulation layer, improve heat-insulation layer Structural intergrity;
It is of special importance that during due to underground heat use, in the case of heated on ground, concrete layer can have expanded by heating The problem of, need under normal circumstances in wall side preset clearance, but the way easily causes empty under the floor on wall side ask Topic, the present invention set expansion joint on press strip, and expansion joint can when can provide expanded by heating space, concrete layer and floor covering layers To be close to wall side, and compared with the prior art in monoblock type expanded by heating, concrete layer of the invention is polylith separate type knot Structure, expanded by heating mode are local distribution, effectively prevent overall expanded by heating and cause floor to separate generation hollowing with concrete The problem of.
2. multiple temperature sensors are set on screed-coat, the output end connection central processing module of temperature sensor, center The output end of processing module sets display module, and central processing module and display module are arranged on wall, and this structure design is Monitoring temperature and the regulation and control to underground heat are realized using digital display control, it need to be pointed out that temperature sensor is arranged in press strip, effectively The problem of prevention concrete corrodes to it, improve the service life of temperature sensor.
3. in the larger construction site of laying area in use, the present invention is by the crisscross setting of press strip, from all around The deformation quantity during concrete expanded by heating is offset comprehensively in four orientation.
4. invention additionally discloses a kind of electric heating using heating cable to lay flow, comprise the following steps:
S1:The integral smoothness of ground and skirting is measured, job site is carried out levelling;
S2:Heat-insulation layer, reflecting layer and mesh screen are laid successively, are bonded between adjacent reflecting layer by adhesive tape;
S3:Screed-coat and heating cable are laid, the mounting temperature sensor in press strip, press strip both ends are passed through into wedge and metope Positioned, be allowed to be fixed on the top of mesh screen and fitted with mesh screen, the upper surface of multiple press strips is carried out by level meter It is levelling, it is located in same level, heating cable is laid on mesh screen, the position of heating cable revolution is stabilized in press strip Winding slot;
S4:Concrete layer and floor are laid, concrete layer, concrete layer final set state are laid on the mesh screen between adjacent press strip When, its upper surface is located at same level, the laying floor on screed-coat and concrete layer with press strip.
By the above method, press strip is levelling designed for monoblock type, can not only realize quick, local laying coagulation Soil layer, and press strip reduces the service load of workmen, particularly set on press strip to provide just support force during floor covering layers Expansion joint, change in conventional art and reserve the form of construction work at expansion joint on wall side, be effectively improved under long-term underground heat use environment The problem of floor hollowing.
Brief description of the drawings
Fig. 1 is the part-structure schematic diagram of the embodiment of the present invention one;
Fig. 2 is the partial enlargement structural representation of the press strip 7 of the embodiment of the present invention one;
Fig. 3 is the part-structure schematic diagram of the embodiment of the present invention two.
Label in figure:1- heat-insulation layers, 2- reflecting layer, 3- mesh screens, 4- heating cables, 5- concrete layers, 6- floors, 7- pressures Bar, 8- winding slots, 9- expansion joints, 10- temperature sensors, 11- central processing modules, 12- display modules, 13- walls.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment one
As depicted in figs. 1 and 2, the present invention includes heat-insulation layer 1, reflecting layer 2, mesh screen 3, heating cable 4, coagulation successively from the bottom to top Soil layer 5 and floor 6, heat-insulation layer 1 are polystyrene plates, and reflecting layer 2 is aluminium foil, and the sandstone of concrete layer 5 is meter Shi, mesh screen 3 For iron net, the top of mesh screen 3 sets screed-coat, and screed-coat is multiple press strips 7, and the upper surface of multiple press strips 7 is located at same level On, the upper surface of press strip 7 sets the winding slot 8 to match with heating cable 4, and the upper surface of press strip 7 also sets up expansion joint 9, stretched The depth of contracting seam 9 is located at the 1/2-4/5 of the thickness of press strip 7, and the bearing of trend of expansion joint 9 is parallel with the long side direction of press strip 7, coagulation The upper surface of soil layer 5 is located at same level with the upper surface of press strip 7, and multiple temperature sensors 10 are uniformly arranged on screed-coat, Temperature sensor 10 is arranged in press strip 7, the output end connection central processing module 11 of temperature sensor 10, central processing module 11 output end sets display module 12, and central processing module 11 and display module 12 are arranged on wall 13.
Embodiment two
As shown in figure 3, the present invention includes heat-insulation layer 1, reflecting layer 2, mesh screen 3, heating cable 4, concrete layer 5 successively from the bottom to top With floor 6, heat-insulation layer 1 is polystyrene plates, and reflecting layer 2 is aluminium foil, and the sandstone of concrete layer 5 is meter Shi, and mesh screen 3 is iron Net, the top of mesh screen 3 set screed-coat, and screed-coat is multiple press strips 7, multiple 7 crisscross settings of press strip, multiple press strips 7 it is upper End face is located in same level, and the upper surface of press strip 7 sets the winding slot 8 to match with heating cable 4, the upper end of press strip 7 Face also sets up expansion joint 9, and the depth at expansion joint 9 is located at the 1/2-4/5 of the thickness of press strip 7, the bearing of trend of expansion joint 9 and press strip 7 Long side direction is parallel, and the upper surface of concrete layer 5 is located at same level with the upper surface of press strip 7, is uniformly set on screed-coat Multiple temperature sensors 10 are put, temperature sensor 10 is arranged in press strip 7, the output end connection central processing of temperature sensor 10 Module 11, the output end of central processing module 11 set display module 12, and central processing module 11 and display module 12 are arranged on On wall 13.
The present embodiment and the structure of embodiment one are essentially identical, unlike:7 crisscross setting of press strip, from preceding rear left The deformation quantity during concrete expanded by heating is offset in right four orientation comprehensively, and being adapted to the larger construction site of area to promote makes With.
Embodiment three
Flow is laid using the electric heating of heating cable, comprised the following steps:
S1:The integral smoothness of ground and skirting is measured, job site is carried out levelling;
S2:Heat-insulation layer, reflecting layer and mesh screen are laid successively, are bonded between adjacent reflecting layer by adhesive tape;
S3:It is multiple press strips to lay screed-coat and heating cable, screed-coat, and press strip both ends are determined by wedge and metope Position, is allowed to be fixed on the top of mesh screen and is fitted with mesh screen, levelling by upper surface progress of the level meter to multiple press strips, makes It is located in same level, and heating cable is laid on mesh screen, and the position of heating cable revolution is stabilized in the winding slot of press strip;
S4:Concrete layer and floor are laid, concrete layer, concrete layer final set state are laid on the mesh screen between adjacent press strip When, its upper surface is located at same level, the laying floor on screed-coat and concrete layer with press strip.
Example IV
The present embodiment and the structure of embodiment three are essentially identical, unlike:Multiple TEMPs are installed in S3 in screed-coat Device, temperature sensor are located in press strip.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, this area is common Other modifications or equivalent substitution that technical staff is made to technical scheme, without departing from technical solution of the present invention Spirit and scope, all should cover among scope of the presently claimed invention.

Claims (5)

1. using the electric heating laying structure of heating cable, include heat-insulation layer, reflecting layer, mesh screen, heating electric successively from the bottom to top Cable, concrete layer and floor, it is characterised in that:Screed-coat is set above the mesh screen, and the screed-coat is multiple press strips, multiple The upper surface of press strip is located in same level, and the upper surface of the press strip sets the winding slot to match with heating cable, institute The upper surface for stating press strip sets expansion joint, and the upper surface of the concrete layer and the upper surface of press strip are located at same level.
2. the electric heating laying structure according to claim 1 using heating cable, it is characterised in that:On the screed-coat Multiple temperature sensors are set, and the output end of the temperature sensor connects central processing module, the central processing module Output end sets display module, and the central processing module and display module are arranged on wall.
3. the electric heating laying structure according to claim 1 using heating cable, it is characterised in that:The press strip is in length and breadth It is staggered.
4. the electric heating laying structure according to claim 1 using heating cable, it is characterised in that:The heat-insulation layer is Polystyrene plates, the mesh screen are iron net.
5. the electric heating laying structure according to claim 1 using heating cable, it is characterised in that:The reflecting layer is Aluminium foil, the sandstone of the concrete layer is meter Shi.
CN201711086278.5A 2017-11-07 2017-11-07 Using the electric heating laying structure of heating cable Expired - Fee Related CN107676855B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711086278.5A CN107676855B (en) 2017-11-07 2017-11-07 Using the electric heating laying structure of heating cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711086278.5A CN107676855B (en) 2017-11-07 2017-11-07 Using the electric heating laying structure of heating cable

Publications (2)

Publication Number Publication Date
CN107676855A true CN107676855A (en) 2018-02-09
CN107676855B CN107676855B (en) 2019-11-08

Family

ID=61146445

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711086278.5A Expired - Fee Related CN107676855B (en) 2017-11-07 2017-11-07 Using the electric heating laying structure of heating cable

Country Status (1)

Country Link
CN (1) CN107676855B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108458398A (en) * 2018-05-10 2018-08-28 无锡中暖科技有限公司 A kind of self-heating floor and its self-heating floor system
CN108775615A (en) * 2018-05-11 2018-11-09 翁刚峰 A kind of MI mineral insulations armored heating cable and the mating ground heating system of metal heat-conducting plate

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005264653A (en) * 2004-03-22 2005-09-29 Takefuji Setsubi:Kk Snow melting panel, snow melting device using the same, and installation method thereof
KR20100007151U (en) * 2009-01-02 2010-07-12 주식회사 성화기업 -Leveling-bar for constructing floor
CN205825211U (en) * 2016-07-20 2016-12-21 王明轩 Intelligent carbon fiber heating dry type paved system
CN206113096U (en) * 2016-08-28 2017-04-19 龙川纽恩泰新能源科技发展有限公司 Floor heating device of high -efficient intelligence
CN206189788U (en) * 2016-11-18 2017-05-24 云南美易百装饰工程有限公司 Concatenation formula kitchen, bathroom are with waterproof durable environment -friendly type wall body

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005264653A (en) * 2004-03-22 2005-09-29 Takefuji Setsubi:Kk Snow melting panel, snow melting device using the same, and installation method thereof
KR20100007151U (en) * 2009-01-02 2010-07-12 주식회사 성화기업 -Leveling-bar for constructing floor
CN205825211U (en) * 2016-07-20 2016-12-21 王明轩 Intelligent carbon fiber heating dry type paved system
CN206113096U (en) * 2016-08-28 2017-04-19 龙川纽恩泰新能源科技发展有限公司 Floor heating device of high -efficient intelligence
CN206189788U (en) * 2016-11-18 2017-05-24 云南美易百装饰工程有限公司 Concatenation formula kitchen, bathroom are with waterproof durable environment -friendly type wall body

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108458398A (en) * 2018-05-10 2018-08-28 无锡中暖科技有限公司 A kind of self-heating floor and its self-heating floor system
CN108458398B (en) * 2018-05-10 2024-02-09 无锡中暖科技有限公司 Self-heating floor system
CN108775615A (en) * 2018-05-11 2018-11-09 翁刚峰 A kind of MI mineral insulations armored heating cable and the mating ground heating system of metal heat-conducting plate

Also Published As

Publication number Publication date
CN107676855B (en) 2019-11-08

Similar Documents

Publication Publication Date Title
CN104141980A (en) Cooling-heating-integrated double-capillary-tube-layer phase-change energy storage floor terminal device and application system
CN206015966U (en) Dull and stereotyped photovoltaic battery panel heat-preservation heat-collection curtain wall and roofing
WO2004094748A1 (en) Complex system of vegetation and solar cell
CN211313112U (en) Large-area large-gradient integrated waterproof heat-preservation tile-hanging roof
CN107676855A (en) Using the electric heating laying structure of heating cable
CN205976338U (en) Aluminum plate heat preservation module that carbon fiber generates heat
NZ588166A (en) Solar energy collector situated under a mortar based cover layer
CN106760375A (en) A kind of regenerative electrochemical underground heat construction system
CN206635972U (en) Wall radiant heating insulation construction for construction site
CN205560931U (en) Warm up floor
CN206037449U (en) Contained angle type solar cell panel thermal -arrest curtain and roofing and ventilating air conditioniner system
CN102287039B (en) Integrated quickly-paved substrate system for electric heating floor heater
CN209891653U (en) Floating-building graphene floor heating system
CN103528121A (en) Solar power generation and heating system
CN207363045U (en) A kind of glue powder polyphenyl particle slurry composite external thermal insulation system
CN211143520U (en) Roof waterproof insulation structure
CN1229595C (en) Static thermal-storage heating-amount slow-release structure and construction process and use thereof
CN209384438U (en) A kind of photovoltaic heat-preserving wall
ES2449295T3 (en) Prefabricated composite panel for the installation of air conditioning plants in building rooms
CN205065890U (en) Building block heat accumulation air heating system based on solar energy
CN201158908Y (en) PVC water-proof coiled material
CN201852190U (en) Distributed solar photovoltaic cell heat storing and supplying system based on rural resident houses in north
CN110067911A (en) Embedded medium pipeline and preparation method thereof with freeze proof dampproof effect
CN215057423U (en) Tunnel lining concrete curing means
CN209603415U (en) A kind of interior decoration accumulation of heat plank

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191108

Termination date: 20201107