CN107389121A - Energy-saving effect method of testing after plant is put in double-skin facade - Google Patents
Energy-saving effect method of testing after plant is put in double-skin facade Download PDFInfo
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- CN107389121A CN107389121A CN201710665484.5A CN201710665484A CN107389121A CN 107389121 A CN107389121 A CN 107389121A CN 201710665484 A CN201710665484 A CN 201710665484A CN 107389121 A CN107389121 A CN 107389121A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
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Abstract
Energy-saving effect method of testing after plant is put in a kind of double-skin facade, by setting water drenching, energy-saving effect after plant is put in double-skin facade under plant density different situations under the conditions of ventilation is various.
Description
Technical field
The invention belongs to detection of construction energy conservation technical field, is exactly specifically to be related in a kind of double-skin facade to put
Energy-saving effect method of testing after plant.
Background technology
Building energy-saving standard implements the design built before and builds the insulation for not focusing on peripheral structure, causes room
Interior thermal environment is severe.And with the improvement of people's living standards, proposing higher and higher want to the comfortableness of indoor thermal environment
Ask.With the popularization of air-conditioning, indoor thermal environment is improved, but what is brought simultaneously is sharply increasing for building energy consumption.Such as
Where ensure to reduce air conditioning energy consumption as far as possible on the premise of personnel's thermal comfort, turn into the problem of more and more urgent.
Main heat sink component of the double-skin facade as building, directly affect building indoor thermal environment and
Annual energy consumption.Rational sunshade can not only prevent sunlight avoid the influence of various unfavorable factors from being emitted directly toward interior, and
It may also reach up energy-saving purpose.But influence of the different sunshade forms to building energy consumption is also different, therefore how to test
The energy-saving effect for evaluating different sunshade forms just seems particularly significant.Indoor solar gain amount and solar heat gain coefficient
(SHGC) be evaluate double-skin facade thermal property important indicator, and evaluation shading system on building energy consumption influence
Important indicator.At present, plant is put in double-skin facade, and to building energy-saving effect, how there has been no special survey
Trial assembly is put and method of testing.
The content of the invention
The purpose of the present invention lacks to putting plant in double-skin facade to Saving In Buildings efficiency aiming at present
The device and the technological deficiency of method of testing that fruit is tested, there is provided plant deutomerite efficiency is put in a kind of double-skin facade
Fruit method of testing, the measurement for putting energy-saving effect after plant under various natural conditions in double-skin facade can be simulated.
Technical scheme
In order to realize above-mentioned technical purpose, the present invention, which devises, puts plant deutomerite efficiency in a kind of double-skin facade
Fruit method of testing, it is characterised in that it includes following steps：
(1) test point is set on double-skin facade, prepares to obtain each test point position indoor environment parameter, institute
Stating indoor environment parameter includes indoor heat flow, temperature, humidity, amount of radiation and air conditioner refrigerating amount；
(2) without water drenching, respectively join in measuring process (1) under the conditions of change plant density is different degrees of under the conditions of gravity-flow ventilation
Number, for testing gravity-flow ventilation, without water drenching under conditions of, the influence of the density degree of plant to shaded effects；
(3) identical water drenching condition, in the case of plant density degree determines, measuring process (1) under draft type different condition
In each parameter, under the conditions of testing identical water drenching, influence of the draft type to plant shaded effects；
(4) identical ventilation condition, in the case of plant density degree determines, measuring process (1) under draft type different condition
In each parameter, with testing under identical ventilation condition, influence of the water drenching to plant shaded effects.
(5) measuring process (1) under the conditions of change plant density is different degrees of under identical water drenching, draft type the same terms
In each parameter, for testing under identical water drenching, draft type the same terms, the influence of the density degree of plant to shaded effects；
(6) calculated according to record parameter in above-mentioned steps (2), (3), (4) and (5) according to following company：
SHG (t) in formula --- obtain heat for the test casing transient state sun；
A --- it is test window area；
Q1(t) --- for test casing transient state refrigerating capacity；
Q2(t) --- for test casing transient prediction amount (including blower fan and electrical heating)；
Q3(t) --- enter the heat of casing by heat transfer for casing wall (including test window)
I (t) in formula --- it is the solar radiation quantity instantaneous value in outdoor vertical checkout face.
Beneficial effect
Energy-saving effect method of testing after plant is put in a kind of double-skin facade provided by the invention, can be simulated each
The measurement of energy-saving effect after plant is put under kind of natural conditions in double-skin facade.
Brief description of the drawings
Accompanying drawing 1 is the schematic diagram of test device in the embodiment of the present invention.
Accompanying drawing 2 is the profile of test device in the embodiment of the present invention.
Embodiment
With reference to the accompanying drawings and examples, the present invention is described in further details.Following detailed description and drawings are used
In the principle for exemplarily illustrating the present invention, the invention is not restricted to described preferred embodiment, the scope of the present invention is by right
Claim limits.
As shown in figure 1 and 2, the test device of energy-saving effect after plant is put in a kind of double-skin facade, it is special
Sign is：It includes air-conditioning 1, and the end of the air-conditioning is connected by condensate pipe 3 with storage tank 4, and storage tank 4 passes through micro- spray
Fill system main-supply 5 is connected with micro-sprinkling irrigation spray head 6, and the storage tank 4 is with being equipped with electricity on the connecting line of micro-sprinkling irrigation spray head 6
Sub- water pump 7, the lower section of micro-sprinkling irrigation spray head 6 are provided with vegetable curtain 8, and the lower section of vegetable curtain 8 is provided with tank 9, the plant
Thing curtain 8 is arranged on inner layer glass curtain wall 10 and glass outer curtain wall 11, and the glass outer curtain wall 11 is provided with some blower fans
12 and louvres 2.
The method of testing of energy-saving effect test device after plant is put in above-mentioned double-skin facade, it includes following several
Individual step：
The first step, 7 test points are set on double-skin facade, prepare to obtain each test point position indoor environment
Parameter, No. 1 measuring point are located at outer layer curtain wall outer surface, and No. 2 measuring points are located at outer layer curtain wall inner surface, and No. 3 measuring points are positioned inside and outside
On the outside of the passage of wing flats wall, No. 4 measuring points are located at vegetable curtain floor, and No. 5 measuring points are located on the inside of inside and outside wing flats wall passage, No. 6 measuring points
Positioned at internal layer curtain wall outer surface, No. 7 measuring points are located at internal layer curtain wall inner surface, and the indoor environment parameter includes indoor hot-fluid
Amount, temperature, humidity, amount of radiation and air conditioner refrigerating amount；
Second step, no water drenching, under the conditions of change plant density is different degrees of under the conditions of gravity-flow ventilation in measuring process (1)
Each parameter, for testing gravity-flow ventilation, without water drenching under conditions of, the influence of the density degree of plant to shaded effects；It is specific to survey
It is to test under the conditions of without water drenching, gravity-flow ventilation in examination, passes through plant density 0g/m2With plant density 750g/m2Under the conditions of respectively join
Several numerical value.
3rd step, identical water drenching condition, in the case of plant density degree determines, measuring process under draft type different condition
(1) each parameter in, under the conditions of testing identical water drenching, influence of the draft type to plant shaded effects；It is in specific test
Test plants density 750g/m2, without water drenching under the conditions of, respectively join under the conditions of force ventilation wind speed 1.3m/s and gravity-flow ventilation 1.0m/s
Several numerical value.
4th step, identical ventilation condition, in the case of plant density degree determines, measuring process under draft type different condition
(1) each parameter in, with testing under identical ventilation condition, influence of the water drenching to plant shaded effects.It is that plant is close in specific test
Spend 750g/m2, wind speed：Under the conditions of 0.4m/s, no water drenching and the numerical value for having each parameter under the conditions of water drenching.
5th step, change under identical water drenching, draft type the same terms plant density it is different degrees of under the conditions of measure step
Suddenly each parameter in (1), for testing under identical water drenching, draft type the same terms, the density degree of plant is to shaded effects
Influence；Specifically test has plant density 300g/m under the conditions of water drenching, gravity-flow ventilation2With plant density 750g/m2Under the conditions of respectively join
Several numerical value and force ventilation, without water drenching under the conditions of, plant density 300g/m2With plant density 750g/m2Under the conditions of each parameter
Numerical value
6th step, calculated according to record parameter in above-mentioned steps (2), (3), (4) and (5) according to following company：
SHG (t) in formula --- obtain heat for the test casing transient state sun；
A --- it is test window area；
Q1(t) --- for test casing transient state refrigerating capacity；
Q2(t) --- for test casing transient prediction amount (including blower fan and electrical heating)；
Q3(t) --- enter the heat of casing by heat transfer for casing wall (including test window)
I (t) in formula --- it is the solar radiation quantity instantaneous value in outdoor vertical checkout face.
Shown by the result of above measuring and calculation：
1) plant sunshade, water drenching are obvious to reducing abat vent inner channel, internal layer surface temperature effect.The increasing of plant density
Added with helping reduce the solar gain amount that gets in.
2) ventilation helps to reduce abat vent outer passage temperature, reduces the characteristic temperature of double-skin facade, but
To endepidermis cooling-down effect unobvious.
3) water drenching is to reduce the most effective means of passage superheating phenomenon, can effectively reduce passage of heat temperature and exocuticle temperature
Degree, weakens the influence to external environment condition.But solar gain amount and SHGC on getting in influence smaller.
4) under the conditions of water drenching, low wind speeds, the increase of plant density is for being lowered into indoor solar gain amount
Influenceed with SHGC faint, with the increase of wind speed, the increase of plant density is to reducing indoor solar gain amount and SHGC
Enhancing is influenceed, the ecological sunshade effect of plant is highlighted.
5) when without water drenching, under low wind speed condition, the enhancing shaded effects of plant density, but with the increase of wind speed, plant
Shaded effects difference caused by density is weakened.
Energy-saving effect method of testing after plant is put in a kind of double-skin facade provided by the invention, can be simulated each
The measurement of energy-saving effect after plant is put under kind of natural conditions in double-skin facade.
Structure, ratio, size, quantity depicted in institute of embodiment of the present invention accompanying drawings etc., only coordinating specification
Disclosed content, so that those skilled in the art understands and reads, it is not limited to the enforceable restriction bar of the present invention
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, do not influenceing
Under the effect of present invention can be generated and the purpose that can reach, it all should still fall and obtain and can contain in disclosed technology contents
In the range of lid.It is meanwhile cited such as " on ", " under ", "left", "right", " centre ", " clockwise ", " inverse time in this specification
The term of pin " etc., understanding for narration is merely convenient to, and is not used to limit the enforceable scope of the present invention, its relativeness
It is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable category of the present invention.
Claims (1)
1. energy-saving effect method of testing after plant is put in double-skin facade, it is characterised in that it includes following step
Suddenly：
(1) test point is set on double-skin facade, prepares to obtain each test point position indoor environment parameter, the room
Interior ambient parameter includes indoor heat flow, temperature, humidity, amount of radiation and air conditioner refrigerating amount；
(2) without water drenching, each parameter in measuring process (1) under the conditions of change plant density is different degrees of under the conditions of gravity-flow ventilation,
For testing gravity-flow ventilation, without water drenching under conditions of, the influence of the density degree of plant to shaded effects；
(3) identical water drenching condition, it is each in measuring process (1) under draft type different condition in the case of plant density degree determines
Parameter, under the conditions of testing identical water drenching, influence of the draft type to plant shaded effects；
(4) identical ventilation condition, it is each in measuring process (1) under draft type different condition in the case of plant density degree determines
Parameter, with testing under identical ventilation condition, influence of the water drenching to plant shaded effects.
(5) it is each in measuring process (1) under the conditions of change plant density is different degrees of under identical water drenching, draft type the same terms
Parameter, for testing under identical water drenching, draft type the same terms, the influence of the density degree of plant to shaded effects；
(6) calculated according to record parameter in above-mentioned steps (2), (3), (4) and (5) according to following company：
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SHG (t) in formula --- obtain heat for the test casing transient state sun；
A --- it is test window area；
Q1(t) --- for test casing transient state refrigerating capacity；
Q2(t) --- for test casing transient prediction amount (including blower fan and electrical heating)；
Q3(t) --- enter the heat of casing by heat transfer for casing wall (including test window)
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I (t) in formula --- it is the solar radiation quantity instantaneous value in outdoor vertical checkout face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710665484.5A CN107389121A (en) | 2017-08-07 | 2017-08-07 | Energy-saving effect method of testing after plant is put in double-skin facade |
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| CN201710665484.5A CN107389121A (en) | 2017-08-07 | 2017-08-07 | Energy-saving effect method of testing after plant is put in double-skin facade |
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| CN107389121A true CN107389121A (en) | 2017-11-24 |
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| CN201710665484.5A Pending CN107389121A (en) | 2017-08-07 | 2017-08-07 | Energy-saving effect method of testing after plant is put in double-skin facade |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631636A (en) * | 2019-09-29 | 2019-12-31 | 华东交通大学 | Method for testing energy efficiency of rear section of plant in ventilated double-layer glass curtain wall |
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| CN101504402A (en) * | 2009-03-03 | 2009-08-12 | 上海市建筑科学研究院(集团)有限公司 | Test method for sun-shading effect of sun-shading system |
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| CN101493450A (en) * | 2009-03-03 | 2009-07-29 | 上海市建筑科学研究院(集团)有限公司 | Test device for shaded effect of sunshade system |
| CN101504402A (en) * | 2009-03-03 | 2009-08-12 | 上海市建筑科学研究院(集团)有限公司 | Test method for sun-shading effect of sun-shading system |
| CN101576519A (en) * | 2009-06-16 | 2009-11-11 | 上海市建筑科学研究院(集团)有限公司 | Outdoor dynamic testing method for heat-insulation property of heat-insulation coating at outer wall of building |
| CN101691831A (en) * | 2009-09-25 | 2010-04-07 | 东南大学 | External solar protection device of green plants |
| CN101701479A (en) * | 2009-10-21 | 2010-05-05 | 东南大学 | Ventilating glass curtain wall and working method thereof |
| CN103033534A (en) * | 2012-12-20 | 2013-04-10 | 深圳市建筑科学研究院有限公司 | Detection method for heat insulation performance of building enclosure and related device |
| CN103061439A (en) * | 2013-01-25 | 2013-04-24 | 苏州大学 | Pulley type plant double-glass curtain wall |
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| CN110631636A (en) * | 2019-09-29 | 2019-12-31 | 华东交通大学 | Method for testing energy efficiency of rear section of plant in ventilated double-layer glass curtain wall |
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