CN201289467Y - Device for testing heat dispersion of radiator surface - Google Patents
Device for testing heat dispersion of radiator surface Download PDFInfo
- 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
Links
Images
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
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
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.
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 (7)
| 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 |
| CN107796849A (en) * | 2017-11-23 | 2018-03-13 | 宁波迪奥机械有限公司 | A kind of radiator test system and method for testing |
| 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 |
-
2008
- 2008-10-22 CN CNU2008201426317U patent/CN201289467Y/en not_active Expired - Fee Related
Cited By (11)
| 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 |
| CN107796849A (en) * | 2017-11-23 | 2018-03-13 | 宁波迪奥机械有限公司 | A kind of radiator test system and method for testing |
| 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 | |
| CN201289435Y (en) | Test stand for heat dispersion of radiator | |
| CN102121910B (en) | Performance test device for micro heat exchanger | |
| CN106969792B (en) | One bulb bed Comprehensive Experiment measuring device and method | |
| CN103592142A (en) | System for testing heat transfer and resistance characteristics of large-size generating equipment heat exchanger | |
| CN202939322U (en) | Device for calibrating humidity dynamic response characteristics of sonde with double-flow 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 | |
| CN203479550U (en) | System suitable for testing heat transfer and resistance characteristics of heat exchanger of large-scale generating equipment | |
| CN104932038A (en) | Temperature-humidity-pressure comprehensive generator used for verifying temperature, humidity and pressure sensors | |
| CN110736523A (en) | High-low temperature performance test testing device for membrane type gas meter | |
| CN201434852Y (en) | Evaluation device for testing the radiating and energy-saving efficiency of coating material | |
| CN102538886B (en) | Extra-pipe binding type thermal pulse gas flowmeter capable of resisting ambient temperature disturbances | |
| CN102901588A (en) | Heat quantity calculating device and heating ventilation air conditioning system | |
| CN102305686B (en) | Temperature correction pressure data acquisition device and method for measuring pressure of heat supply network pipeline | |
| CN102110387B (en) | Teaching experimental device for measuring convective heat-transfer coefficient of micro-pipe | |
| CN204594914U (en) | Groove type solar heat collecting pipe heat waste loses test macro | |
| CN201514246U (en) | Inserted type thermal type liquid quality flowmeter | |
| CN204462052U (en) | A kind of heat exchange property test platform of heat interchanger | |
| CN203224122U (en) | Intelligent drying oven allowing heating media to be selected | |
| CN202735280U (en) | Building envelope structure heat transfer coefficient detector | |
| CN201188038Y (en) | System for detecting heat dissipating capacity of heating radiator | |
| CN206583619U (en) | A kind of heater test platform |
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 |