CN202928818U - Portable solar energy hot water system energy efficiency level testing arrangement - Google Patents
Portable solar energy hot water system energy efficiency level testing arrangement Download PDFInfo
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- CN202928818U CN202928818U CN 201220525433 CN201220525433U CN202928818U CN 202928818 U CN202928818 U CN 202928818U CN 201220525433 CN201220525433 CN 201220525433 CN 201220525433 U CN201220525433 U CN 201220525433U CN 202928818 U CN202928818 U CN 202928818U
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Abstract
The utility model relates to a portable solar energy hot water system energy efficiency level testing arrangement, which is composed of a data acquisition instrument, a cycle pipeline, water tank water temperature sensors, a sun total radiometer, an environment temperature sensor and an environment wind speed sensor, and the cycle pipeline is composed of a live-connecting type bend, a live-connecting type three-way circulating pipe, a water injection/discharge pipe, a valve and a circulating pump by connecting, an insulation material and an infrared reflection material are coated outside the cycle pipeline, and then is connected to an inlet pipe and an outlet pipe of an insulation water tank, one of the water tank water temperature sensor is placed at the central section of the water tank, and the other two are arranged on the live-connecting type bend connected to the inlet pipe and the outlet of the insulation water tank. The portable solar energy hot water system energy efficiency level testing arrangement has the advantages of light weight, easy carrying and convenient installation, and can accurately test the energy efficiency level of the solar energy hot water system with multiple stations.
Description
Technical field
The utility model relates to a kind of portable type solar energy hot-water heating system efficiency level estimate device, belongs to solar water heating system thermal performance test field.
Background technology
China is solar thermal utilization big country, according to the national authority department statistics, family more than 5000 of manufacturer is arranged, solar water heater turnout and installation rank first in the world for years, but have the problems such as product homogeneity is serious, quality is uneven, technique is multifarious, thermal behavior (thermal-arrest, insulation) difference is huge.For this reason, more domestic testing agencies have developed a batch facility solar water heater have been detected according to standards such as GB/T 18708-2002 " family expenses solar hot water system thermal behavior test method ", GB/T 19141-2003 " domestic solar water heater's technical conditions ".In the patent No. is 200812043667 patent, a kind of automatic constant temperature testing system for solar water heater by water-mixing and water-discharging method is disclosed, formed by water piping system, electric control system and data-signal acquisition analysis system, it is characterized in that water piping system also is provided with automatic constant warm water device, backwater circulation use device and voltage stabilizing safety feature.This system has solved the difficult problems such as temperature control in the test process and insulation, full-automatic, multistation, round-the-clock detection, but exist involve great expense, complex structure, the problem such as floor area is large, equipment is heavy, be only suitable for testing agency's special use, be unfavorable for promoting the use of.In the patent No. is 201120003769 patent, the pick-up unit of mobile solar water heater thermal behavior is disclosed, it is characterized in that described pick-up unit comprises: electric heater unit, wind-cooled cold-water unit and water circulating pump, described electric heater unit and wind-cooled cold-water unit, coordinate with water circulating pump respectively, being used for controlling the solar water heater inlet temperature is the initial water temperature of solar water heater thermal behavior test.This device is movable to the strange land and carries out on-the-spot test, satisfied manufacturer to the requirement of properties of product test fast and flexible, but it is still higher to sell cost, quality is heavier, mobile inconvenient, once can only detect a water heater, be unfavorable for that producer carries out the research of water heater thermal behavior.
Summary of the invention
The problem that exists in order to overcome above-mentioned solar water heater detection system, the utility model proposes a kind of portable type solar energy hot-water heating system efficiency level estimate device, have lightweightly, be easy to carry, efficiency grade easy for installation, as can multistation accurately to test solar water heating system.
the technical scheme that the utility model is taked is: the utility model relates to a kind of portable type solar energy hot-water heating system efficiency level estimate device, by data collecting instrument, circulating line, the Water in Water Tank temperature sensor, the total solar radiation table, environment temperature sensor, the ambient wind velocity sensor forms, it is characterized in that circulating line is by the movable joint elbow, the movable joint threeway is with circulation pipe, water filling/tapping pipe, valve, ebullator is formed by connecting, and at circulating line outer wrapping insulation material and infrared reflective material, then be connected on the water inlet pipe and rising pipe of attemperater, one of Water in Water Tank temperature sensor is placed in the middle part of water tank, another two are arranged on the movable joint elbow that connects attemperater water inlet pipe and rising pipe.
Described data collecting instrument has a plurality of sense channels, and wherein the water tank water temperature is more than 3 the tunnel; Total solar radiation is more than 1 the tunnel; Environment temperature is more than 1 the tunnel; Ambient wind velocity is more than 1 the tunnel; The Inlet and outlet water flow is more than 1 the tunnel, and 12 direct current outputs are more than 1 the tunnel.
Described Water in Water Tank temperature sensor and environment temperature sensor measuring accuracy: ± 0.2 ℃, display resolution: 0.1 ℃, measurement range :-40～100 ℃, the stainless steel encapsulation.
The PP-R material is adopted in movable joint elbow in described circulating line, movable joint threeway.
Circulation pipe in described circulating line, water filling/tapping pipe are the PP-R pipe.
Ebullator in described circulating line is straightway pump, and flow is 500L/h～600L/h.
The described infrared reflective material that is wrapped in outside insulation material is aluminium foil.
During test, the initial water temperature of solar water heating system is 20 ± 1.0 ℃.
The utlity model has following advantage: equipment is few, lightweight, carry, easy for installation, the data collecting instrument passage is many, can gather simultaneously solar water heater water tank temperature data, the total irradiation of heat collector solar, environment temperature and ambient wind velocity, has mixed water function, accurately test water tank temperature rise, thereby calculate the water heater unit area and get heat and heat loss coefficient, then calculate energy efficiency coefficient, for research and production provide Data support accurately.
Description of drawings
Fig. 1 is the structural representation of the utility model and attemperater.
The accompanying drawing sign
1, data collecting instrument 1.1, total solar radiation data acquisition channel (5 tunnel) 1.2, water tank temperature data acquisition channel (15 tunnel) 1.3, Inlet and outlet water flow data collector passage (2 tunnel) 1.4, environment temperature, ambient wind velocity data acquisition channel (each 1 tunnel) 1.5, direct current output channel 2, attemperater 2.1, water inlet pipe, 2.2 rising pipe 3, circulating line 3.1, movable joint elbow 3.2, movable joint threeway 3.3, circulation pipe 3.4, insulation material 3.5, infrared reflective material 3.6, water filling/tapping pipe 3.7, valve 3.8, valve 3.9, ebullator 4, Water in Water Tank temperature sensor 5, total solar radiation table 6, environment temperature sensor 7, the ambient wind velocity sensor
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further, but content of the present utility model is not limited to this.
as Fig. 1, a kind of portable type solar energy hot-water heating system efficiency level estimate device that the utility model provides, comprise: data collecting instrument (1), circulating line (3), Water in Water Tank temperature sensor (4), total solar radiation table (5), environment temperature sensor (6), ambient wind velocity sensor (7) forms, described circulating line (3) is by PP-R movable joint elbow (3.1), PP-R movable joint threeway (3.2) is with PP-R circulation pipe (3.3), PP-R water filling/tapping pipe (3.6), ball valve (3.7), ball valve (3.8), direct current ebullator (3.9) is formed by connecting, and at the thick rubber-plastic thermal insulation pipe of circulating line (3) outer wrapping 10mm (3.4) and infrared reflective material aluminium foil (3.5), then be connected on the water inlet pipe (2.1) and rising pipe (2.2) of attemperater (2), (4) one of Water in Water Tank temperature sensors are placed in the middle part of water tank (2), another two are arranged on the movable joint elbow (3.1) that connects attemperater water inlet pipe (2.1) and rising pipe (2.2).
The step that employing the utility model carries out solar water heater efficiency level estimate is as follows:
1, begin test every morning before, use canvas that heat collector is built, avoid illumination;
2, press GB/T 18708-2002 " family expenses solar hot water system thermal behavior test method " " 6 testing requirements " regulation total solar radiation table (5), environment temperature sensor (6), ambient wind velocity sensor (7) are installed;
3, according to Fig. 1, circulating line (3) is connected on attemperater (2), data collecting instrument (1) is switched on and begin test;
4, the water of 20+2.0 ℃ is injected attemperater (2) by water filling/tapping pipe (3.6), until gas outlet (2.3) water outlet;
5, start direct current ebullator (3.9), water in attemperater (2) is mixed, observe water tank water temperature (4), water tank treats that the variation of water temperature (4) in 5 minutes maintains 20 ± 1.0 ℃, if do not satisfy, by water filling/tapping pipe (3.6) inject＞20 ℃ or＜water of 20 ℃ regulates, and maintains 20 ± 1.0 ℃ until water tank is treated the variation of water temperature (4) in 5 minutes;
6, close direct current ebullator (3.9) and ball valve (3.7), ball valve (3.8), open the canvas shroud that covers on heat collector, timing begins;
7, in test process, data collecting instrument (1) per minute automatically once gathers and stores water tank water temperature, total solar radiation, environment temperature, ambient wind velocity data;
8, when timing is extended to 480 minutes, use canvas that heat collector is built, open ball valve (3.8) and ebullator (3.7) and mix water, at least 5 minutes tank inlet pipe (2.1) water temperatures change maintain ± 0.2 ℃, record respectively 3 water tank water temperatures, mean value is water tank and stops water temperature.
9, satisfy under the prerequisite of GB at during timing day total irradiation of the sun, environment temperature, ambient wind velocity, in conjunction with during the initial water temperature of water tank, the timing day total irradiation of the sun, the data such as heat collector daylighting area, attemperater available water volume calculate solar water heater lighting area daily useful energy according to GB/T19141-2011 " domestic solar water heater's technical conditions " formula (3) and (4);
10, solar water heater heat loss coefficient test repeating step 5, mix water temperature and greater than 50 ℃, if lower than 50 ℃, can inject hot water and repeating step 5 higher than 50 ℃, obtains the initial water temperature of heat waste test, the beginning timing test;
11, repeating step 8 mixes water when timing is extended to 465 minutes, at least 5 minutes tank inlet pipe (2.1) water temperatures change maintain ± 1 ℃, record respectively 3 water tank water temperatures, mean value is the test of water tank heat waste and stops water temperature.
12, calculate heat loss coefficient according to GB/T 19141-2011 " domestic solar water heater's technical conditions " formula (6);
13, calculate energy efficiency coefficient (CTP) and determine the efficiency grade according to GB 26969-2011 " domestic solar hot-water heating system efficiency limit value and efficiency grade " formula (6).
Claims (8)
1. the utility model relates to a kind of portable type solar energy hot-water heating system efficiency level estimate device, by data collecting instrument, circulating line, the Water in Water Tank temperature sensor, the total solar radiation table, environment temperature sensor, the ambient wind velocity sensor forms, it is characterized in that circulating line is by the movable joint elbow, the movable joint threeway is with circulation pipe, water filling/tapping pipe, valve, ebullator is formed by connecting, and at circulating line outer wrapping insulation material and infrared reflective material, then be connected on the water inlet pipe and rising pipe of attemperater, one of Water in Water Tank temperature sensor is placed in the middle part of water tank, another two are arranged on the movable joint elbow that connects attemperater water inlet pipe and rising pipe.
2. portable type solar energy hot-water heating system efficiency level estimate device described according to claim 1, is characterized in that data collecting instrument has a plurality of sense channels, and wherein the water tank water temperature is more than 3 the tunnel; Total solar radiation is more than 1 the tunnel; Environment temperature is more than 1 the tunnel; Ambient wind velocity is more than 1 the tunnel; The Inlet and outlet water flow is more than 1 the tunnel, and direct current is exported more than 1 the tunnel.
3. portable type solar energy hot-water heating system efficiency level estimate device described according to claim 1, it is characterized in that Water in Water Tank temperature sensor and environment temperature sensor measuring accuracy: ± 0.2 ℃, display resolution: 0.1 ℃, measurement range :-40～100 ℃, the stainless steel encapsulation.
4. portable type solar energy hot-water heating system efficiency level estimate device described according to claim 1, is characterized in that the PP-R material is adopted in movable joint elbow, the movable joint threeway in circulating line.
5. portable type solar energy hot-water heating system efficiency level estimate device described according to claim 1, is characterized in that circulation pipe, the water filling/tapping pipe in circulating line is the PP-R pipe.
6. portable type solar energy hot-water heating system efficiency level estimate device described according to claim 1, is characterized in that the ebullator in circulating line is straightway pump, and flow is 500L/h～600L/h.
7. portable type solar energy hot-water heating system efficiency level estimate device described according to claim 1, is characterized in that the infrared reflective material that is wrapped in outside insulation material is aluminium foil.
8. portable type solar energy hot-water heating system efficiency level estimate device described according to claim 1, during test, the initial water temperature of solar water heating system is 20 ± 1.0 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220525433 CN202928818U (en) | 2012-10-03 | 2012-10-03 | Portable solar energy hot water system energy efficiency level testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220525433 CN202928818U (en) | 2012-10-03 | 2012-10-03 | Portable solar energy hot water system energy efficiency level testing arrangement |
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| Publication Number | Publication Date |
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| CN202928818U true CN202928818U (en) | 2013-05-08 |
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| CN 201220525433 Expired - Fee Related CN202928818U (en) | 2012-10-03 | 2012-10-03 | Portable solar energy hot water system energy efficiency level testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596739A (en) * | 2015-02-09 | 2015-05-06 | 北京建筑大学 | Solar thermal collector thermal performance parameter and circular flow measuring device and method |
-
2012
- 2012-10-03 CN CN 201220525433 patent/CN202928818U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596739A (en) * | 2015-02-09 | 2015-05-06 | 北京建筑大学 | Solar thermal collector thermal performance parameter and circular flow measuring device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20141003 |
|
| EXPY | Termination of patent right or utility model |