CN105203590A - Rapid detection device for thermal conductivity - Google Patents

Rapid detection device for thermal conductivity Download PDF

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Publication number
CN105203590A
CN105203590A CN201510607278.XA CN201510607278A CN105203590A CN 105203590 A CN105203590 A CN 105203590A CN 201510607278 A CN201510607278 A CN 201510607278A CN 105203590 A CN105203590 A CN 105203590A
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CN
China
Prior art keywords
metal probe
constant temperature
temperature
qualified
power
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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.)
Pending
Application number
CN201510607278.XA
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Chinese (zh)
Inventor
周介明
陈照峰
陈立鹤
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Suzhou Vip New Material Co Ltd
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Suzhou Vip New Material Co Ltd
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Application filed by Suzhou Vip New Material Co Ltd filed Critical Suzhou Vip New Material Co Ltd
Priority to CN201510607278.XA priority Critical patent/CN105203590A/en
Publication of CN105203590A publication Critical patent/CN105203590A/en
Pending legal-status Critical Current

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Abstract

A rapid detection device for thermal conductivity is characterized by comprising a constant temperature output end, a metal probe, an information processing system, traffic lights, an auxiliary mechanical arm and a conveyor belt. The constant temperature output end keeps the surface temperature of the metal problem constant, and compensatory power is measured after heat transfer in the testing process; the upper portion and the periphery of the metal probe are wrapped with a constant temperature copper block, the temperature of the copper block is the same as that of the probe, and it is guaranteed that the working environment of the metal probe is stable; the information processing system compares the compensatory power in a specific time within 6-20 s for testing with standard power, and whether the thermal conductivity is qualified or not is obtained and displayed through the traffic lights; the auxiliary mechanical arm drives the metal probe to move up and down, the conveyor belt forks at the detection position to convey qualified products and unqualified products respectively, and the auxiliary mechanical arm and the conveyor belt work in a cooperative mode through the information processing system. The rapid detection device for the thermal conductivity is high in measuring speed and capable of judging whether the thermal conductivity of a tested vacuum insulated panel is qualified or not accurately; assembly line type detection can save a large amount of manual work, and errors caused by manual operation are avoided; equipment is simple, harsh requirements for the detection environment do not exist, and maintenance is convenient.

Description

A kind of coefficient of heat conductivity device for fast detecting
Technical field
The present invention relates to a kind of rapid determination device of coefficient of heat conductivity, particularly the coefficient of heat conductivity rapid determination device of vacuum heat-insulating plate.
Background technology
Vacuum heat-insulating plate is as the efficient heat-insulating material of one, and be widely used in the fields such as household electrical appliances insulation, Cold Chain Logistics and building heat preservation, market potential is huge, and output increases gradually.Coefficient of heat conductivity is the important indicator judging vacuum heat-insulating plate heat insulation capacity, aborning, in order to ensure the qualification rate of vacuum heat-insulating plate, needs the mensuration of every block vacuum heat-insulating plate all being carried out to coefficient of heat conductivity.Meanwhile, due to the increase of production capacity, the assay method of original coefficient of heat conductivity and device can not meet the requirement to Measured Results of Thermal Conductivity speed.
Publication No. is disclose a kind of heat conducting coefficient measurement device in the Chinese patent of CN104535609A, comprises test chamber, hot junction heating system, cold junction cooling system, pumped vacuum systems, temperature acquisition system, control pressurer system.The heat transfer characteristic of sample to be tested is reflected by the test of multi-point temp, by drawing more objectively thermal conductivity value after data processing in test process.This test device of thermal conductivity coefficient improves test accuracy and the objectivity of coefficient of heat conductivity, but structural system is complicated, Product checking for factory mass can not meet the requirement on detection speed, and the heating that this equipment must experience and cooling procedure will extend the time of single measurement.
Publication No. is disclose a kind of heat conductivity measuring device and method in the Chinese patent of CN101776628A, comprises thermal probe, is inserted in the testing sample for thermal conductivity measurement; Thermopair, for measuring the wall surface temperature of thermal probe; Collector, for the minute of the wall surface temperature and correspondence that gather thermocouple measurement; And data processor, represent the Heat Conduction Differential Equations of wall temperature rise for combining and avoid the minute inversion procedure of temperature and correspondence thereof to obtain the coefficient of heat conductivity of testing sample.This device needs to go deep in testing sample, although ensure that measuring accuracy, for the Measured Results of Thermal Conductivity of vacuum heat-insulating plate, but must destroy vacuum heat-insulating plate.
Although the precision of above-mentioned publication heat conducting coefficient measuring is very high, the complex structure of device, Measuring Time is longer, can not meet a large amount of of pipeline system and detect fast, and require higher to testing environment.Therefore, be necessary that invention is a kind of and quick and precisely can judge the device that whether qualified heat conductivity of vacuum insulation panel is.
Summary of the invention
The present invention is intended to the deficiency overcoming existing heat conducting coefficient measurement device, provides a kind of device improving heat conductivity of vacuum insulation panel finding speed.
The technical scheme adopted for realizing the object of the invention is: provide a kind of coefficient of heat conductivity device for fast detecting, it is characterized in that this device comprises: constant temperature output terminal, metal probe, message handler, traffic light, Aided Machine arm and travelling belt.Wherein constant temperature output terminal avoids in prior art the step needing Repeat-heating and cooling, ensure that the efficiency of detection.
Described constant temperature output terminal will keep the temperature constant on metal probe surface, and temperature is set as 60 DEG C ~ 90 DEG C, and in test process, measure the power that heat transmits post-compensation.
Above described metal probe and four periderm constant temperature copper billets coated, copper billet temperature is the same with probe temperature, can ensure the stable of metal probe working environment, and metal probe surface comparatively surrounding give prominence to, when avoiding measuring, copper billet touches sample.
Described message handler compares to the compensation power of special time a certain in test 6 ~ 20S and calibration power, show that whether coefficient of heat conductivity is qualified, is shown by traffic light.
Drive metal probe moves up and down by described Aided Machine arm, and travelling belt is at detection punishment fork, and qualified and underproof product separate and transmits, and Aided Machine arm and travelling belt pass through information handling system co-ordination.
Concrete use step:
(1), after constant temperature output terminal reaches assigned temperature, vacuum heat-insulating plate is placed on a moving belt, under being sent to metal probe;
(2) Aided Machine arm will be placed on vacuum heat-insulating plate metal probe, remove after laminating 6 ~ 20S;
(3), during vacuum heat-insulating plate heat conduction, constant temperature output terminal maintains the temperature constant of metal probe by improving output power, in measuring process, constant temperature output terminal is by the power of calculation compensation;
(4) in message handler, compensation power compares with calibration power, show whether product is qualified and passes through traffic light system;
(5) travelling belt transmits qualified and underproof product respectively to assigned address.
Effect: the present invention compared with prior art, has the following advantages:
(1) measuring speed is fast, quick and precisely can judge that whether the coefficient of heat conductivity of surveyed vacuum heat-insulating plate is qualified;
(2) detection of pipeline system can be saved a large amount of artificial, avoids the error of manual operation;
(3) equipment is simple, does not have harsh requirement to testing environment, convenient repairing.
Accompanying drawing explanation
Fig. 1 is the structural representation of measurement heat conductivity of vacuum insulation panel pick-up unit of the present invention, and in figure, 10 is vacuum heat-insulating plate to be measured, and 20 is metal probe.
Embodiment
Below in conjunction with specific embodiment, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims and limited.
Embodiment
A kind of coefficient of heat conductivity rapid determination device, is characterized in that this device comprises: constant temperature output terminal, metal probe, message handler, traffic light, Aided Machine arm and travelling belt.Test environment is 22 DEG C ~ 24 DEG C, and relative humidity is 40%RH.
Described constant temperature output terminal will keep the temperature constant on metal probe surface at 80 DEG C, and in test process, measure the power that heat transmits post-compensation.
Above described metal probe and four periderm constant temperature copper billets coated, copper billet temperature is constant 80 DEG C, can ensure the stable of metal probe working environment, and metal probe workplace comparatively surrounding copper billet give prominence to 4mm, when avoiding measuring, copper billet touches sample.
Described message handler compares to compensation power during test the 8th second and calibration power, show that whether coefficient of heat conductivity is qualified, is shown by traffic light.
Drive metal probe moves up and down by described Aided Machine arm, and travelling belt is at detection punishment fork, and qualified and underproof product separate and transmits, and Aided Machine arm and travelling belt pass through information handling system co-ordination.
The high-quality that this device can realize vacuum heat-insulating plate in enormous quantities detects fast.Compare original detection technique cooling procedure 60S, heating process 60S and waiting process 150S has the single detection time of 270S altogether, and this device only needs 8S can judge the qualification of heat conductivity of vacuum insulation panel, and testing result and original technology basically identical.
Above are only a specific embodiment of the present invention, but design concept of the present invention is not limited thereto, all changes utilizing this design the present invention to be carried out to unsubstantiality, all should belong to the behavior of invading the scope of protection of the invention.In every case be the content not departing from technical solution of the present invention, any type of simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.

Claims (2)

1. a coefficient of heat conductivity rapid determination device, comprise constant temperature output terminal, metal probe, message handler, traffic light, Aided Machine arm and travelling belt, it is characterized in that described constant temperature output terminal will keep the temperature constant on metal probe surface, temperature is set as 60 DEG C ~ 90 DEG C, and in test process, measure the power that heat transmits post-compensation; Above described metal probe and four periderm constant temperature copper billets coated, copper billet temperature is the same with probe temperature, the stable of metal probe working environment can be ensured, and the metal probe workplace comparatively outstanding 3 ~ 8mm of surrounding copper billet, when avoiding measuring, copper billet touches sample, and metal probe and coated copper billet are placed in a body of thermal insulating box; Described message handler compares to the compensation power of special time a certain in test 6 ~ 20S and calibration power, show that whether coefficient of heat conductivity is qualified, is shown by traffic light; Drive metal probe moves up and down by described Aided Machine arm, and travelling belt is at detection punishment fork, and qualified and underproof product separate and transmits, and Aided Machine arm and travelling belt pass through information handling system co-ordination.
2. a using method for coefficient of heat conductivity rapid determination device, is characterized in that the step comprising following order:
(1), after constant temperature output terminal reaches assigned temperature, vacuum heat-insulating plate is placed on a moving belt, under being sent to metal probe;
(2) Aided Machine arm will be placed on vacuum heat-insulating plate metal probe, remove after laminating 6 ~ 20S;
(3), during vacuum heat-insulating plate heat conduction, constant temperature output terminal maintains the temperature constant of metal probe by improving output power, in measuring process, constant temperature output terminal is by the power of calculation compensation;
(4) in message handler, compensation power compares with calibration power, show whether product is qualified and passes through traffic light system;
(5) travelling belt transmits qualified and underproof product respectively to assigned address.
CN201510607278.XA 2015-09-22 2015-09-22 Rapid detection device for thermal conductivity Pending CN105203590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201510607278.XA CN105203590A (en) 2015-09-22 2015-09-22 Rapid detection device for thermal conductivity

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CN105203590A true CN105203590A (en) 2015-12-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107561355A (en) * 2017-08-25 2018-01-09 中国电子科技集团公司第四十研究所 A kind of temperature compensation system and method for peak power probe

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102012382A (en) * 2010-10-25 2011-04-13 上海海事大学 Heat conductivity coefficient quick test device and method of vacuum insulating board
CN103235003A (en) * 2013-04-18 2013-08-07 常州山由帝武节能新材料制造有限公司 Vacuum thermal insulation board heat conductivity coefficient detection device
CN103529075A (en) * 2013-10-28 2014-01-22 厦门大学 Vacuum thermal insulation board thermal conduction coefficient measuring device and measuring method
CN103868948A (en) * 2014-02-26 2014-06-18 天津大学 Method for correcting heat exchange power of heat conductivity tester through single-test piece guarded hot plate method
CN104374797A (en) * 2013-08-12 2015-02-25 苏州维艾普新材料股份有限公司 Rapid heat conductivity coefficient measuring device and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102012382A (en) * 2010-10-25 2011-04-13 上海海事大学 Heat conductivity coefficient quick test device and method of vacuum insulating board
CN103235003A (en) * 2013-04-18 2013-08-07 常州山由帝武节能新材料制造有限公司 Vacuum thermal insulation board heat conductivity coefficient detection device
CN104374797A (en) * 2013-08-12 2015-02-25 苏州维艾普新材料股份有限公司 Rapid heat conductivity coefficient measuring device and method
CN103529075A (en) * 2013-10-28 2014-01-22 厦门大学 Vacuum thermal insulation board thermal conduction coefficient measuring device and measuring method
CN103868948A (en) * 2014-02-26 2014-06-18 天津大学 Method for correcting heat exchange power of heat conductivity tester through single-test piece guarded hot plate method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107561355A (en) * 2017-08-25 2018-01-09 中国电子科技集团公司第四十研究所 A kind of temperature compensation system and method for peak power probe

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Application publication date: 20151230