CN201289467Y - Device for testing heat dispersion of radiator surface - Google Patents

Device for testing heat dispersion of radiator surface Download PDF

Info

Publication number
CN201289467Y
CN201289467Y CNU2008201426317U CN200820142631U CN201289467Y CN 201289467 Y CN201289467 Y CN 201289467Y CN U2008201426317 U CNU2008201426317 U CN U2008201426317U CN 200820142631 U CN200820142631 U CN 200820142631U CN 201289467 Y CN201289467 Y CN 201289467Y
Authority
CN
China
Prior art keywords
temperature
testing
enclosed
enclosed cell
temperature sensor
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.)
Expired - Fee Related
Application number
CNU2008201426317U
Other languages
Chinese (zh)
Inventor
梁金生
薛刚
丁燕
吴晓明
董存立
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.)
Hebei University of Technology
Original Assignee
Hebei University of Technology
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 Hebei University of Technology filed Critical Hebei University of Technology
Priority to CNU2008201426317U priority Critical patent/CN201289467Y/en
Application granted granted Critical
Publication of CN201289467Y publication Critical patent/CN201289467Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model provides a device for testing the radiating property of the surface of a radiator, and relates to an ordinary physical device. The device comprises a testing main body, a heating medium system and a temperature monitoring and analyzing system, wherein, the testing main body consists of two closed small chambers made of insulating materials and radiators respectively placed in the two closed small chambers; the volume of each closed small chamber is (500-700)*(500-700)*(500-700)mm<3>; two round openings with respective diameters of 2-4mm are formed on the walls of the closed small chambers and on the side where the radiators are placed; the heating medium system consists of two radiators, a heater, a constant temperature water tank, a water pipeline, two flow meters, a water pump, a decompression valve and two adjusting valves; the temperature monitoring and analyzing system consists of twenty temperature sensors, a multi-path temperature voltage converter, a multi-path signal transformation card, a computer, and a software system contained in the computer and used for measuring and recording and processing data. The device applied in the laboratory or in the industry can relatively and precisely test the radiating property of the radiator.

Description

A kind of device of testing the spreader surface heat dispersion
Technical field
The technical solution of the utility model relates to the general physical device, specifically a kind of device of testing the spreader surface heat dispersion.
Background technology
The proving installation of existing radiator heat-dissipation performance all designs by GB/T 13754-92 " heating radiator heat dissipation capacity bioassay standard ".The design of these standard test fixtures is all quite complicated, requires to have building enclosure, control system, measuring system and cooling system.For example: these standard test fixtures generally adopt the airtight cell structure of air-cooled or water-cooled of steel, and its size is 4000 * 4000 * 2800 (mm), and volume is bigger; The heating agent system adopts the two-stage type of heating, and is provided with refrigeratory in the heating agent system, in order to the accuracy of dependable flow metering; Many independently temperature sensors are adopted in the operating mode dish commentaries on classics of calorimetry, and the control of operating ambient temperature adopts independently off-gauge cooling system, so moves and regulate and complex management, and cost is very high.At present, a lot of enterprises are in the research and development or process of the test of heating radiator product, do not have condition, need not in standard test fixture, carry out the test of radiator heat-dissipation performance sometimes yet, get final product and only need to carry out relatively accurate test in the laboratory or in the commercial Application.CN 2537460 discloses a kind of enterprise heating radiator thermal technology performance test stand that self check is used in pilot process, and it mainly is the temperature difference of measuring heating radiator inlet temperature and outlet temperature, estimates the heat dispersion of heating radiator with this.But the related technology of this patent is open, and whole device communicates with external environment, estimates the radiator heat-dissipation performance like this and have very mistake under the influence of external environment.In addition, do not see the report of relevant this class radiator heat-dissipation performance testing device as yet.
The utility model content
Technical problem to be solved in the utility model is: a kind of device of testing the spreader surface heat dispersion is provided, is used in the laboratory or carries out the measurement of radiator heat-dissipation performance in commercial Application, can relatively accurately test the radiator heat-dissipation performance.
The utility model solves this technical problem the technical scheme that is adopted: a kind of device of testing the spreader surface heat dispersion, comprise: test subject, heating agent system and temperature monitoring analytic system, wherein test subject is by two enclosed cells made from thermal insulation material be placed on two heating radiators in the enclosed cell respectively and constitute, and the volume of each enclosed cell is (500~700) * (500~700) * (500~700) mm 3, the circular open that to have two diameters on the enclosed cell wall of placing heating radiator one side be 2~4mm; The heating agent system is made of two above-mentioned heating radiators, well heater, constant temperature water tank, ventilating water pipe, two flowmeters, water circulating pump, pressure loading valve and two control valves; The temperature monitoring analytic system transforms card and computing machine by 20 temperature sensors, multi way temperature electric pressure converter, multiple signals and wherein contains the support measurement of band and the software systems of data recording and processing constitute; The arrangement of above-mentioned each component parts is such with being connected: in the test subject: heating radiator is placed in the little chamber interior of enclosed near the position of ventilating water pipe one end distance from enclosed cell wall 10~20cm, by the stent support made from plexiglas, two heating radiators in two the enclosed cells that are placed in want symmetry to place; In the heating agent system: the order of pressing constant temperature water tank → water circulating pump → pressure loading valve → flowmeter → control valve → heating radiator → constant temperature water tank connects with ventilating water pipe successively, and well heater places constant temperature water tank inside; In the temperature monitoring analytic system: computing machine reaches and wherein contains the support measurement of band and the software systems of data recording and processing, multiple signals transform between card and the multi way temperature electric pressure converter and connect with connecting lead, to pass two diameters that have on the enclosed cell wall be the circular open of 2~4mm to the multi way temperature electric pressure converter or directly be connected respectively on each temperature sensor with the connection lead, wherein respectively place a temperature sensor as the heat source temperature sensor at two heating radiator import and exports, each fixes a temperature sensor as the radiator temperature sensor two heating radiator outer wall centers, respectively place a temperature sensor as enclosed chamber center temperature sensor two enclosed cell geometric centers, each fixes a temperature sensor as enclosed cell wall temperature sensor in the geometric center point of two each walls of enclosed cell.
In above-mentioned a kind of device of testing the spreader surface heat dispersion, the described enclosed cell made from thermal insulation material, its used thermal insulation material is a resin.
In above-mentioned a kind of device of testing the spreader surface heat dispersion, the inside surface of described enclosed cell scribbles heat-absorbing paint, and the outside of enclosed cell is stained with foam heat-insulating board, the coefficient of heat conductivity≤0.04W/ of this foam heat-insulating board (mK).
In above-mentioned a kind of device of testing the spreader surface heat dispersion, the heat-absorbing paint that the inside surface of described enclosed cell scribbles is the heat-absorbing paint of being made by the carbon black of infrared emittance 〉=97% and particle diameter≤120 μ m.
In above-mentioned a kind of device of testing the spreader surface heat dispersion, distance between the circular open that described enclosed cell has two diameters on the horizontal central line of the enclosed cell wall of placing heating radiator one side be 2~4mm, two circular open centers of circle is 200~300mm.
In above-mentioned a kind of device of testing the spreader surface heat dispersion, described ventilating water pipe all adopts heat-resistant rubber hose, and overcoat rubber and plastic insulating tube; Pressure drop formula flowmeters such as described flowmeter employing; Described water circulating pump is the miniature supercharge pump of hot-water type.
Described rubber and plastic insulating tube is NBR rubber insulating tube or nitrile rubber insulating tube; Described flowmeter such as formula such as pressure drop such as grade is LZB-10, LZB-15 or LZB-20 spinner-type flowmeter.
In above-mentioned a kind of device of testing the spreader surface heat dispersion, described temperature sensor adopts thermal resistance or thermopair; Described multi way temperature electric pressure converter is the multiple signals logging; Described multiple signals transform card and adopt RS-232RS-545CONVERTER.
Described thermal resistance is platinum resistance Pt10 or platinum resistance Pt100; Described thermopair is an occasionally copper-constantan thermocouple of copper-Kao copper thermoelectricity.
The shape of the heating radiator in above-mentioned a kind of device of testing the spreader surface heat dispersion is tubulose or sheet mostly, other special shapes is also arranged, but all be hollow; Well heater is electric heater or other thermal source well heaters.
Above-mentioned a kind of parts involved in the device of spreader surface heat dispersion and components and parts tested all are that those skilled in the art can make or obtain by commercially available.
The beneficial effects of the utility model are:
(1) a kind of device of testing the spreader surface heat dispersion of the utility model is its size by the air-cooled or water-cooled of the designed general employing steel of national standard proving installation the enclosed cell of the volume of 4000 * 4000 * 2800 (mm) than the macrostructure complexity, changing volume into is (500~700) * (500~700) * (500~700) two enclosed cells simple in structure (mm), the enclosed cell is made with transparent thermal insulation material, inside surface scribbles heat-absorbing paint, outside surface is stained with warming plate, volume is little, simple in structure, cost is low, satisfies the requirement of using in laboratory and commercial Application fully.
(2) the heating agent system in the utility model device adopts the single-stage heating, does not establish cooling system and refrigeratory, also is not provided with the high water stage case.
(3) the temperature detection analytic system in the utility model device is measured central temperature, enclosed chamber center temperature, heating radiator outside wall temperature and the heating radiator out temperature of two each walls of enclosed cell simultaneously, draw out little room temperature change curve in time by the temperature data that is write down, and calculate the heat dissipation capacity of heating radiator, and then determine the radiating effect of heating radiator according to this.
(4) add pressure loading valve in the utility model device, alleviated the working pressure of water pump.
Therefore, characteristics simple in structure, reliable, that cost is low, function is many, dirigibility is high that the utility model device has can satisfy the request for utilization of test spreader surface heat dispersion in laboratory and industry fully.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified, but the scope of the utility model claim protection is not limited to following drawings and Examples.
A kind of formation synoptic diagram of testing the device of spreader surface heat dispersion of Fig. 1 the utility model.
Fig. 2 the utility model is a kind of tests the skeleton view of the enclosed cell in the device of spreader surface heat dispersion.
1. enclosed cells among the figure, 2. heating radiator, 3 attemperaters, 4. well heater, 5. water pump, 6. pressure loading valve, 7. flowmeter, 8. control valve, 9. temperature sensor, 10. multi way temperature electric pressure converter, 11. multiple signals transform card, 12. reaching, computing machine wherein contains the support measurement of band and the software systems of data recording and processing, 13. ventilating water pipes, 14. supports.
Embodiment
From embodiment illustrated in fig. 1 as seen, a kind of formation of testing the device of spreader surface heat dispersion of the utility model comprises: two enclosed cells (1), two tubular coolers (2), two supports (14), well heater (4), constant temperature water tank (3), ventilating water pipe (13), two flowmeters (7), water pump (5), pressure loading valve (6), two control valves (8), 20 temperature sensors (9), multi way temperature voltage transitions pipe (10), multiple signals transform card (11) and computing machine and wherein contain the support measurement of band and the software systems (12) of data recording and processing.
In the embodiment shown in fig. 1, tubular cooler (2) is placed on inner close ventilating water pipe (13) one end distances of enclosed cell (1) on the position of enclosed cell (1) wall 10cm, supported by support (14), two tubular coolers (2) in two enclosed cells (1) want symmetry to place; Use ventilating water pipe (13) to connect successively by the order of constant temperature water tank (3) → water pump (5) → pressure loading valve (6) → flowmeter (7) → control valve (8) → tubular cooler (2) → constant temperature water tank (3), well heater (4) places constant temperature water tank (3) inside; Computing machine reaches and wherein contains the support measurement of band and the software systems (12) of data recording and processing, multiple signals transform between card (11) and the multi way temperature electric pressure converter (10) and connect with connecting lead, multi way temperature electric pressure converter (10) passes two circular opens that have on enclosed cell (1) wall with the connection lead or directly is connected respectively on each temperature sensor (9), wherein respectively place a temperature sensor (9) as the heat source temperature sensor at the import and export of two tubular coolers (2), each fixes a temperature sensor (9) as the radiator temperature sensor in two tubular coolers (2) outer wall center, respectively place a temperature sensor (9) as enclosed cell (1) central temperature sensor in two enclosed cells (1) geometric center, each fixes a temperature sensor (9) as enclosed cell wall temperature sensor in the geometric center point of each wall of two enclosed cells (1).
Four heat source temperature sensors (9) are measured the temperature of two tubular coolers (2) intake-outlet respectively; Two radiator temperature sensors (9) are measured two tubular coolers (2) wall temperature respectively; Two enclosed chamber center temperature sensors (9) are measured the air themperature at two enclosed cells (1) center respectively; 12 enclosed cell wall temperature sensors (9) are measured the central point temperature of each wall of two enclosed cells (1) respectively.
Two enclosed cells (1) and the tubular cooler (2) that is placed on respectively in two enclosed cells (1) constitute test subject; Tubular cooler (2), well heater (4), constant temperature water tank (3), ventilating water pipe (13), two flowmeters (7), water pump (5), pressure loading valve (6) and two control valves (8) constitute the heating agent system; 20 temperature sensors (9), multi way temperature voltage transitions pipe (10), multiple signals transform card (11) and computing machine and wherein contain the support measurement of band and software systems (12) the formation temperature monitoring analytic system of data recording and processing.
In the present embodiment, enclosed cell (1) is made with the thermal insulation material resin, and inside surface scribbles the heat-absorbing paint that the carbon black of infrared emittance 〉=97% and particle diameter≤120 μ m is made, and outside surface is stained with the warming plate of coefficient of heat conductivity≤0.04W/ (mK); Support (14) is made with plexiglas; Used well heater (4) is an electric heater; Used ventilating water pipe (13) all adopts heat-resistant rubber hose, and overcoat NBR rubber insulating tube or nitrile rubber insulating tube; Used flowmeter (7) adopts LZB-10, LZB-15 or LZB-20 spinner-type flowmeter; Used water pump (5) is the miniature supercharge pump of hot-water type; Used temperature sensor (9) all adopts occasionally copper-constantan thermocouple of platinum resistance Pt10, platinum resistance Pt100 thermal resistance, copper-Kao copper thermoelectricity; Used multi way temperature electric pressure converter (10) is the multiple signals logging; It is RS-232RS-545CONVERTER that used multiple signals transform card (11); Used computing machine and wherein contain the support measurement of band and the software systems (12) of data recording and processing are known product.
The process of testing the spreader surface heat dispersion with the device of the test spreader surface heat dispersion of present embodiment shown in Figure 1 is such: hot water from constant temperature water tank (3) after electric heater (4) heating, at first enter water pump (5) by ventilating water pipe (13), for the pressure that reduces ventilating water pipe (13) has been installed pressure loading valve (6), enter two flowmeters (7) by ventilating water pipe (13) shunting then, respectively through entering two tubular coolers (2) behind two control valves (8) respectively, last hot water is got back to constant temperature water tank (3) through ventilating water pipe (13) backwater again; Connect the power supply of electric heater (4) in the constant temperature water tank (3), water temperature is set at 80 ℃, the initial temperature of regulating two enclosed cells (1) is to consistent, open by 20 temperature sensors (9), multi way temperature voltage transitions pipe (10), multiple signals transform card (11) and computing machine and wherein contain the support measurement of band and the temperature monitoring analytic system of software systems (12) formation of data recording and processing, open water pump (5) after writing down 10 minutes clear data, regulate the both sides flow to 80L/h, in process of the test, temperature monitoring analytic system continuous recording tubular cooler (2) surface temperature, enclosed cell (1) perisporium and central point temperature and tubular cooler (2) are imported and exported water temperature, test duration is 120 minutes, draw out the time dependent curve of enclosed cell (1) temperature by the temperature data that is write down, and calculate the heat dissipation capacity of tubular cooler (2), and then determine tubular cooler (2) radiating effect according to this.
As seen, the volume of each enclosed cell (1) is (500~700) * (500~700) * (500~700) mm from embodiment illustrated in fig. 2 3, the circular open that to have two diameters on enclosed cell (1) the wall horizontal central line of placing tubular cooler (2) one sides be 2~4mm, the distance between two circular open centers of circle is 200~300mm.The purposes of circular open is to allow the connection lead pass enclosed cell (1) wall, so that is connected with lead between each temperature sensor (9) of settling in multi way temperature electric pressure converter (10) and the enclosed cell (1), thereby two positions of circular open on enclosed cell (1) wall and unrestrictedly.

Claims (9)

1. device of testing the spreader surface heat dispersion, it is characterized in that this device comprises: test subject, heating agent system and temperature monitoring analytic system, wherein test subject is by two enclosed cells made from thermal insulation material be placed on two heating radiators in the enclosed cell respectively and constitute, and the volume of each enclosed cell is (500~700) * (500~700) * (500~700) mm 3, the circular open that to have two diameters on the enclosed cell wall of placing heating radiator one side be 2~4mm; The heating agent system is made of two above-mentioned heating radiators, well heater, constant temperature water tank, ventilating water pipe, two flowmeters, water circulating pump, pressure loading valve and two control valves; The temperature monitoring analytic system transforms card and computing machine by 20 temperature sensors, multi way temperature electric pressure converter, multiple signals and wherein contains the support measurement of band and the software systems of data recording and processing constitute; The arrangement of above-mentioned each component parts is such with being connected: in the test subject: heating radiator is placed in the little chamber interior of enclosed near the position of ventilating water pipe one end distance from enclosed cell wall 10~20cm, by the stent support made from plexiglas, two heating radiators in two the enclosed cells that are placed in want symmetry to place; In the heating agent system: the order of pressing constant temperature water tank → water circulating pump → pressure loading valve → flowmeter → control valve → heating radiator → constant temperature water tank connects with ventilating water pipe successively, and well heater places constant temperature water tank inside; In the temperature monitoring analytic system: computing machine reaches and wherein contains the support measurement of band and the software systems of data recording and processing, multiple signals transform between card and the multi way temperature electric pressure converter and connect with connecting lead, to pass two diameters that have on the enclosed cell wall be the circular open of 2~4mm to the multi way temperature electric pressure converter or directly be connected respectively on each temperature sensor with the connection lead, wherein respectively place a temperature sensor as the heat source temperature sensor at two heating radiator import and exports, each fixes a temperature sensor as the radiator temperature sensor two heating radiator outer wall centers, respectively place a temperature sensor as enclosed chamber center temperature sensor two enclosed cell geometric centers, each fixes a temperature sensor as enclosed cell wall temperature sensor in the geometric center point of two each walls of enclosed cell.
2. according to the described a kind of device of testing the spreader surface heat dispersion of claim 1, it is characterized in that: the described enclosed cell made from thermal insulation material, its used thermal insulation material is a resin.
3. according to the described a kind of device of testing the spreader surface heat dispersion of claim 1, it is characterized in that: the inside surface of described enclosed cell scribbles heat-absorbing paint, the outside of enclosed cell is stained with foam heat-insulating board, the coefficient of heat conductivity≤0.04W/ of this foam heat-insulating board (mK).
4. according to the described a kind of device of testing the spreader surface heat dispersion of claim 3, it is characterized in that: the heat-absorbing paint that the inside surface of described enclosed cell scribbles is the heat-absorbing paint of being made by the carbon black of infrared emittance 〉=97% and particle diameter≤120 μ m.
5. according to the described a kind of device of testing the spreader surface heat dispersion of claim 1, it is characterized in that: the distance between the circular open that described enclosed cell has two diameters on the horizontal central line of the enclosed cell wall of placing heating radiator one side be 2~4mm, two circular open centers of circle is 200~300mm.
6. according to the described a kind of device of testing the spreader surface heat dispersion of claim 1, it is characterized in that: described ventilating water pipe all adopts heat-resistant rubber hose, and overcoat rubber and plastic insulating tube; Pressure drop formula flowmeters such as described flowmeter employing; Described water circulating pump is the miniature supercharge pump of hot-water type.
7. according to the described a kind of device of testing the spreader surface heat dispersion of claim 6, it is characterized in that: described rubber and plastic insulating tube is NBR rubber insulating tube or nitrile rubber insulating tube; Described flowmeter such as formula such as pressure drop such as grade is LZB-10, LZB-15 or LZB-20 spinner-type flowmeter.
8. according to the described a kind of device of testing the spreader surface heat dispersion of claim 1, it is characterized in that: described temperature sensor adopts thermal resistance or thermopair; Described multi way temperature electric pressure converter is the multiple signals logging; Described multiple signals transform card and adopt RS-232RS-545CONVERTER.
9. according to the described a kind of device of testing the spreader surface heat dispersion of claim 8, it is characterized in that: described thermal resistance is platinum resistance Pt10 or platinum resistance Pt100; Described thermopair is an occasionally copper-constantan thermocouple of copper-Kao copper thermoelectricity.
CNU2008201426317U 2008-10-22 2008-10-22 Device for testing heat dispersion of radiator surface Expired - Fee Related CN201289467Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201426317U CN201289467Y (en) 2008-10-22 2008-10-22 Device for testing heat dispersion of radiator surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201426317U CN201289467Y (en) 2008-10-22 2008-10-22 Device for testing heat dispersion of radiator surface

Publications (1)

Publication Number Publication Date
CN201289467Y true CN201289467Y (en) 2009-08-12

Family

ID=40981151

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201426317U Expired - Fee Related CN201289467Y (en) 2008-10-22 2008-10-22 Device for testing heat dispersion of radiator surface

Country Status (1)

Country Link
CN (1) CN201289467Y (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102175714A (en) * 2010-12-23 2011-09-07 烟台富耐克散热器有限公司 Heat radiator and fan performance testing system
CN103487459A (en) * 2013-10-15 2014-01-01 北京大学 Test system and method for cooling performance of microscale liquid cooler
CN105352188A (en) * 2015-08-14 2016-02-24 浙江大学 Multi-parameter fuzzy control method and system for semi-conductor thermostatic water tank
CN106324335A (en) * 2016-08-10 2017-01-11 联德精密材料(中国)股份有限公司 Method and device for detecting heat dissipation power of heat radiator
CN109765069A (en) * 2019-01-28 2019-05-17 晶晨半导体(深圳)有限公司 Radiator test method and system
CN111781234A (en) * 2020-07-02 2020-10-16 西安交通大学 Power electronic integrated module layered cold plate performance test platform and test method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102175714A (en) * 2010-12-23 2011-09-07 烟台富耐克散热器有限公司 Heat radiator and fan performance testing system
CN103487459A (en) * 2013-10-15 2014-01-01 北京大学 Test system and method for cooling performance of microscale liquid cooler
CN103487459B (en) * 2013-10-15 2016-04-06 北京大学 A kind of microscale liquid cooling appts heat dispersion test macro and method of testing thereof
CN105352188A (en) * 2015-08-14 2016-02-24 浙江大学 Multi-parameter fuzzy control method and system for semi-conductor thermostatic water tank
CN105352188B (en) * 2015-08-14 2018-05-25 浙江大学 The multi-parameter fuzzy control method and system of a kind of semiconductor constant reservoir
CN106324335A (en) * 2016-08-10 2017-01-11 联德精密材料(中国)股份有限公司 Method and device for detecting heat dissipation power of heat radiator
CN106324335B (en) * 2016-08-10 2020-03-06 联德精密材料(中国)股份有限公司 Method and device for detecting heat dissipation power of radiator
CN109765069A (en) * 2019-01-28 2019-05-17 晶晨半导体(深圳)有限公司 Radiator test method and system
CN109765069B (en) * 2019-01-28 2021-09-07 晶晨半导体(深圳)有限公司 Radiator test method and system
CN111781234A (en) * 2020-07-02 2020-10-16 西安交通大学 Power electronic integrated module layered cold plate performance test platform and test method

Similar Documents

Publication Publication Date Title
CN101393148B (en) Test device for coating heat dispersion and test method thereof
CN201289467Y (en) Device for testing heat dispersion of radiator surface
CN204359758U (en) A kind of simulation coal yard determining coal ignitability device
CN103076359B (en) Device for detecting heat transfer coefficient of building enclosing structure on site
CN103411996B (en) Solid material heat conductivity measurement mechanism and measuring method
CN201289435Y (en) Test stand for heat dispersion of radiator
CN102121910B (en) Performance test device for micro heat exchanger
CN203479550U (en) System suitable for testing heat transfer and resistance characteristics of heat exchanger of large-scale generating equipment
CN106969792B (en) One bulb bed Comprehensive Experiment measuring device and method
CN101149312B (en) Heat exchanger performance test system for sealing cabinet heat radiation
CN111707573A (en) Test bed and method for determining hydration performance of medium-low temperature hydrated salt composite heat storage material
CN104932038A (en) Temperature-humidity-pressure comprehensive generator used for verifying temperature, humidity and pressure sensors
CN201434852Y (en) Evaluation device for testing the radiating and energy-saving efficiency of coating material
CN102305686B (en) Temperature correction pressure data acquisition device and method for measuring pressure of heat supply network pipeline
CN204594914U (en) Groove type solar heat collecting pipe heat waste loses test macro
CN204462052U (en) A kind of heat exchange property test platform of heat interchanger
CN201514246U (en) Inserted type thermal type liquid quality flowmeter
CN102538886B (en) Extra-pipe binding type thermal pulse gas flowmeter capable of resisting ambient temperature disturbances
CN110736523B (en) High-low temperature performance test testing device for membrane type gas meter
CN102110387A (en) Teaching experimental device for measuring convective heat-transfer coefficient of micro-pipe
CN201188038Y (en) System for detecting heat dissipating capacity of heating radiator
CN110988022B (en) Sleeve type cooling water jacket structure and gravity assisted heat pipe detection device and detection method
CN103115939A (en) Simple testing device for heat transfer process between hard material and fluid
CN108693208B (en) Novel material heat exchange performance testing device
CN102901588A (en) Heat quantity calculating device and heating ventilation air conditioning system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090812

Termination date: 20121022