CN104880483A - Device for detecting temperature difference of cap-type solar gravity heat pipes and detection method - Google Patents

Device for detecting temperature difference of cap-type solar gravity heat pipes and detection method Download PDF

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CN104880483A
CN104880483A CN201510317519.7A CN201510317519A CN104880483A CN 104880483 A CN104880483 A CN 104880483A CN 201510317519 A CN201510317519 A CN 201510317519A CN 104880483 A CN104880483 A CN 104880483A
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China
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disk
heat pipe
sun power
gravity assisted
assisted heat
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CN201510317519.7A
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CN104880483B (en
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陈乐�
刘通
富雅琼
徐建斌
谢敏
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China Jiliang University
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China Jiliang University
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Abstract

The invention discloses a device for detecting the temperature difference of cap-type solar gravity heat pipes and a detection method. Water is contained in a constant-temperature water groove; a second round disc is arranged right above the center of the bottom part of the constant-temperature water groove and is arranged in the constant-temperature water groove in a supporting manner; the second round disc is higher than the water level in the constant-temperature water groove; a first round disc is arranged right above the second round disc in a supporting manner; first round holes are uniformly distributed on the first round disc at intervals; second round holes corresponding to the first round holes are uniformly distributed on the second round disc at intervals; the solar gravity heat pipes penetrate through the first round holes and the second round holes and are inserted into the constant-temperature water groove; and a temperature measuring cap is arranged right above a condensation section and is connected with a temperature round-detection instrument. The device and the detection method disclosed by the invention have the advantages that the plurality of solar gravity heat pipes can be born once, the temperature values of the condensation ends of the solar gravity heat pipes can be obtained by fully utilizing contact-type temperature detection, and a practicable method is provided for realizing automation of batched temperature-difference detection, so that the detection efficiency for the solar gravity heat pipes is improved.

Description

A kind of hat type sun power gravity assisted heat pipe temperature difference detection device and detection method
Technical field
The present invention relates to a kind of heat pipe pick-up unit and method, particularly relate to a kind of hat type sun power gravity assisted heat pipe temperature difference detection device and detection method.
Background technology
Sun power gravity assisted heat pipe is due to advantages such as thermal conduction capability is strong, thermal losses is little, it is freezing to prevent, pipe explosions, more and more general in solar thermal utilization.In order to ensure sun power gravity assisted heat pipe heat conduction efficiency, need to detect this technical requirement of the sun power gravity assisted heat pipe temperature difference.Present stage, the manufacturer of sun power gravity assisted heat pipe was mostly detected by manually having carried out the temperature difference, and because artificial calibrating exists, human factor is large, experience error is large, labour intensity is large, and error is difficult to avoid.Present stage sun power gravity assisted heat pipe calibrating loading attachment not yet exist on the market at present, and sun power gravity assisted heat pipe temperature difference measuring method adopts single non-cpntact measurement and contact type measurement at present, it is extremely low that it measures efficiency, therefore needs now a kind of mode measuring the sun power gravity assisted heat pipe temperature difference in batch.
Summary of the invention
In order to overcome Problems existing in background technology, a kind of hat type sun power gravity assisted heat pipe temperature difference detection device and detection method are the object of the present invention is to provide, once take up branched sun power gravity assisted heat pipe, obtain respective sun power gravity assisted heat pipe condensation end temperature value, and evenly distributed reduction of sun power gravity assisted heat pipe affects Water Tank with Temp.-controlled temperature field uniformity, thus improve sun power gravity assisted heat pipe temperature difference detection accuracy.
For solving above technical matters, the present invention is achieved by the following technical solutions:
One, a kind of hat type sun power gravity assisted heat pipe temperature difference detection device:
Device comprises Water Tank with Temp.-controlled, the first disk that thermometric cap and level are installed and the second disk, the in-built water of Water Tank with Temp.-controlled, Water Tank with Temp.-controlled lateral wall is provided with the tank controller for controlling and show real-time water temperature, second disk is arranged on directly over Water Tank with Temp.-controlled bottom centre, and be arranged in Water Tank with Temp.-controlled by the support column support of corner, second disk is higher than the water surface in Water Tank with Temp.-controlled, first disk is supported by the joint pin of corner and is arranged on directly over the second disk, first disk has the first circular hole uniformly at intervals, second disk has uniformly at intervals second circular hole corresponding with respective first circular hole, on first disk, the distribution of the first circular hole is identical with the distribution of the second circular hole on the second disk, the both sides of the second disk are provided with the first in command for lifting, assign in Water Tank with Temp.-controlled after second circular hole of sun power gravity assisted heat pipe evaporator section successively through the first circular hole of the first disk, the second disk, be provided with the thermometric cap for measuring sun power gravity assisted heat pipe directly over the condensation segment of sun power gravity assisted heat pipe, thermometric cap is connected with temperature polling instrument.
Described thermometric cap comprises three-at om system and multiple thermometric contact, each cylindric thermometric contact is arranged on the end face of three-at om system uniformly at intervals, and in the distribution of distribution and first circular hole on the first disk of thermometric contact on three-at om system, the second disk, the distribution of the second circular hole is all identical; Each thermometric contact end face is with binding post, and binding post connects temperature sensor, and binding post is connected with the connection terminal of temperature polling instrument, and the both sides of three-at om system are provided with the second in command for lifting.
All rubber sleeve is embedded with in first circular hole of the first described disk and the second circular hole hole of the second disk.
The first described disk, the second disk, three-at om system and support column are organic glass or polypropylene, and described thermometric contact material is that the alloy of fine copper or copper processes or identical with sun power gravity assisted heat pipe condensation end material.
The height of described support column is higher than the height of Water Tank with Temp.-controlled splendid attire water liquid level, and described thermostatted water trough inner water liquid level is 2/3 ~ 3/5 of sun power gravity assisted heat pipe height.
Described first disk, the second disk and thermometric cap shaped are replaced by rectangle or triangle.
The accuracy of temperature control of described Water Tank with Temp.-controlled is within the scope of ± 0.5 DEG C.
Two, a hat type sun power gravity assisted heat pipe temperature difference detection method, comprises the following steps:
Step one, unlatching Water Tank with Temp.-controlled, arrange preset temperature value;
Step 2, when Water Tank with Temp.-controlled water temperature stability is in preset temperature value, the device installing sun power gravity assisted heat pipe is put into Water Tank with Temp.-controlled, thermometric cap is installed to sun power gravity assisted heat pipe condensation end simultaneously, makes each thermometric contact be enclosed within respective sun power gravity assisted heat pipe condensation end;
Step 3, after standing a period of time, collect each sun power gravity assisted heat pipe condensation end measuring tempeature value Ti through thermometric contact and be sent to temperature polling instrument, then subtract each other with the real-time water temperature Tr of Water Tank with Temp.-controlled and obtain temperature difference △ Ti.
Preset temperature value in described step one is 90 DEG C.
In described step 3, time of repose is 30s ~ 60s.
The beneficial effect that the present invention has is:
The present invention once can take up branched sun power gravity assisted heat pipe, obtain respective sun power gravity assisted heat pipe condensation end temperature value, and evenly distributed reduction of sun power gravity assisted heat pipe affects Water Tank with Temp.-controlled temperature field uniformity, thus improve sun power gravity assisted heat pipe calibrating accuracy; Measure sun power gravity assisted heat pipe in batch, provide practicable method for realizing Automatic survey in batch, thus improve the measurement efficiency of sun power gravity assisted heat pipe.
Accompanying drawing explanation
Fig. 1 is device schematic diagram of the present invention.
In figure: 1, tank controller, the 2, first circular hole, the 3, first disk, 4, the second circular hole, 5, Water Tank with Temp.-controlled, the 6, second disk, 7, the first in command, 8, joint pin, 9, support column, 10, display panel, 11, guidance panel, 12, temperature polling instrument, 13, connection terminal, 14, binding post, 15, thermometric contact, 16, thermometric cap, 17, the second in command.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the present invention includes Water Tank with Temp.-controlled 5, the first disk 3 and the second disk 6 that thermometric cap 16 and level are installed, Water Tank with Temp.-controlled 5 is built with water, Water Tank with Temp.-controlled 5 lateral wall is provided with the tank controller 1 for controlling and show real-time water temperature, second disk 6 is arranged on directly over Water Tank with Temp.-controlled 5 bottom centre, and be arranged in Water Tank with Temp.-controlled 5 by support column 9 support of corner, second disk 6 is higher than the water surface in Water Tank with Temp.-controlled 5, first disk 3 is supported by the joint pin 8 of corner and is arranged on directly over the second disk 6, first disk 3 has uniformly at intervals the first circular hole 2, second disk 6 has uniformly at intervals second circular hole 4 corresponding with respective first circular hole 2, on first disk 3, the distribution of the first circular hole 2 is identical with the distribution of the second circular hole 4 on the second disk 6, the both sides of the second disk 6 are provided with the first in command 7 for lifting, assign in Water Tank with Temp.-controlled 5 after second circular hole 4 of sun power gravity assisted heat pipe successively through the first circular hole 2, second disk 6 of the first disk 3, be provided with the thermometric cap 16 for measuring sun power gravity assisted heat pipe directly over the condensation segment of sun power gravity assisted heat pipe, thermometric cap 16 is connected with temperature polling instrument 12.Water Tank with Temp.-controlled 5 detects for the sun power gravity assisted heat pipe temperature difference and provides temperature environment, and tank controller 1 is for controlling and showing real-time water temperature.
Thermometric cap 16 comprises three-at om system and multiple thermometric contact 15, each cylindric thermometric contact 15 is arranged on the end face of three-at om system uniformly at intervals, and in the distribution of distribution and first circular hole 2 on the first disk 3 of thermometric contact 15 on three-at om system, the second disk 6, the distribution of the second circular hole 4 is all identical; Each thermometric contact 15 end face is with binding post 14, and binding post 14 connects temperature sensor, and binding post 14 is connected with the connection terminal 13 of temperature polling instrument 12, and the both sides of three-at om system are provided with the second in command 17 for lifting.
The temperature sensor extracted from binding post 14 is connected with the connection terminal 13 above temperature polling instrument 12 by mode of connection, by setting operation panel 11, can show sun power gravity assisted heat pipe condensation end temperature on display panel 10, the mode of connection can be three-wire system or four-wire system.
All rubber sleeve is embedded with in first circular hole 2 of the first disk 3 and the second circular hole 4 hole of the second disk 6.
First disk 3, second disk 6, three-at om system and support column 9 are the low material of the thermal conductivity such as organic glass or polypropylene, and described thermometric contact 15 material is that the alloy of fine copper that thermal conductivity is high or copper processes the high material of thermal conductivity or identical with sun power gravity assisted heat pipe condensation end material.
The height of support column is higher than the height of Water Tank with Temp.-controlled splendid attire water liquid level, and in described Water Tank with Temp.-controlled 5, water liquid level is 2/3 ~ 3/5 of sun power gravity assisted heat pipe height.
First disk, the second disk and thermometric cap shaped can be replaced by other shape such as rectangle or triangle.
The accuracy of temperature control of Water Tank with Temp.-controlled 5 is within the scope of ± 0.5 DEG C.
The periphery of the first disk 3 will have multiple first circular holes 2 of equidistantly distribution, periphery on the second disk 6 has multiple second circular holes 4 of equidistantly distribution, joint pin 8 is provided with outside two pieces of disks, two pieces of disks can be linked into an integrated entity, support column 9 is provided with in the second disk 6 bottom, supported by group all-in-one-piece two pieces of disks, whole device is picked up by handle 1.
The aperture of the first circular hole 2 and the second circular hole 4 is greater than sun power gravity assisted heat pipe evaporator section diameter, in clearance fit, makes sun power gravity assisted heat pipe evaporator section can just load the first circular hole 2 and the second circular hole 4.
The height of joint pin should make sun power gravity assisted heat pipe have stability at vertical direction.
The diameter of thermometric contact is corresponding with sun power gravity assisted heat pipe condensation end diameter and length with height, and thermometric contact can just in time be enclosed within sun power gravity assisted heat pipe condensation end.
Described temperature polling instrument can replace with other temperature testing equipments such as multi way temperature testers.
Embodiment and the implementation process thereof of measuring method of the present invention are as follows:
The sun power gravity assisted heat pipe length of testing use in the present embodiment is 1.7 meters, and environment temperature is 26 DEG C, and sun power gravity assisted heat pipe is vertically placed in a device.The temperature sensor used is the SMD surperficial end face thermopair of K type, and temperature polling instrument adopts MEA57008/16 road temperature polling instrument.
In concrete enforcement, first disk 3, second disk 6, three-at om system and support column 9 all adopt the material that the thermal conductivity such as organic glass or polypropylene is low, the warm field of support column 9 on Water Tank with Temp.-controlled is affected should be very little, and circular hole is affected sun power gravity assisted heat pipe heat trnasfer should be very little; The alloy of the fine copper that thermometric contact 15 adopts thermal conductivity high or copper processes.
Step one, unlatching Water Tank with Temp.-controlled, arranging preset temperature value is 90 DEG C, is joined in Water Tank with Temp.-controlled 5 by appropriate water, makes the depth of water reach 1.1 meters.Control water temperature by water temperature regulater 1 make it to reach 90 DEG C and stablize.
Step 2, when Water Tank with Temp.-controlled water temperature stability is in preset temperature value, the device installing sun power gravity assisted heat pipe is put into Water Tank with Temp.-controlled, thermometric cap is installed to sun power gravity assisted heat pipe condensation end simultaneously, makes each thermometric contact be enclosed within respective sun power gravity assisted heat pipe condensation end;
Step 3, after standing 60 second time, collect each sun power gravity assisted heat pipe condensation end measuring tempeature value Ti through thermometric contact and be sent to temperature polling instrument, then subtract each other with the real-time water temperature Tr of Water Tank with Temp.-controlled and obtain temperature difference △ Ti.The concrete formula of the temperature difference is:
△Ti=Tr-Ti
Wherein, △ Ti is described i-th sun power gravity assisted heat pipe evaporator section and the condensation end temperature difference, and Tr is the real-time water temperature of Water Tank with Temp.-controlled, and Ti is that contact type temperature sensor records i-th sun power gravity assisted heat pipe condensation end temperature value.
After the temp difference measurer that 16 sun power gravity assisted heat pipes are housed is put into Water Tank with Temp.-controlled 60s, carry out thermometric with the temperature polling instrument carefully connected the wire and obtain each sun power gravity assisted heat pipe condensation end temperature value, it is respectively 80.8,84.6,84.2,86.1,87.2,87.3,86.1,85.5,86.3,87.1,86.8,85.1,86.1,84.7,83.6,84.6 DEG C, and when measuring, the real-time water temperature Tr of Water Tank with Temp.-controlled is 89.9 DEG C.Show that in the test of the sun power gravity assisted heat pipe temperature difference, temperature difference △ Ti=Tr-Ti (i gets 1-16) is respectively 9.1,5.3,5.7,3.8,2.7,2.6,3.8,4.4,3.6,2.8,3.1,4.8,3.8,5.2,6.3,5.3 DEG C.
Finally thermometric cap is moved back to original position, the first disk 3, second disk 6 is removed Water Tank with Temp.-controlled and completes measurement.
The data obtained by above method are shown: tested 16 sun power gravity assisted heat pipes are all qualified, because K type thermopair degree of accuracy generally can reach 1 to 2 DEG C, so this method differential temperature survey is as judging sun power gravity assisted heat pipe qualification, reliable results.
The present invention facilitates production automation level in being detected to the sun power gravity assisted heat pipe temperature difference by contact temperature-measuring Technology application.
The present invention carries the device of sun power gravity assisted heat pipe and measures temperature difference method, should meet GB/T24767-2009 " sun power gravity assisted heat pipe " requirement.
As can be seen here, the present invention can measure sun power gravity assisted heat pipe in batch and obtain its condensation end temperature value, improves sun power gravity assisted heat pipe measurement accuracy, and improves the measurement efficiency of sun power gravity assisted heat pipe, occupy outstanding significant technique effect.
Above-mentioned embodiment is used for explaining and the present invention is described, instead of limits the invention, and in the protection domain of spirit of the present invention and claim, any amendment that the present invention makes and change, all fall into protection scope of the present invention.

Claims (10)

1. a hat type sun power gravity assisted heat pipe temperature difference detection device, it is characterized in that: comprise Water Tank with Temp.-controlled (5), the first disk (3) that thermometric cap (16) and level are installed and the second disk (6), Water Tank with Temp.-controlled (5) in-built water, Water Tank with Temp.-controlled (5) lateral wall is provided with the tank controller (1) for controlling and show real-time water temperature, second disk (6) is arranged on directly over Water Tank with Temp.-controlled (5) bottom centre, and be arranged in Water Tank with Temp.-controlled (5) by support column (9) support of corner, second disk (6) is higher than the water surface in Water Tank with Temp.-controlled (5), first disk (3) is supported by the joint pin (8) of corner and is arranged on directly over the second disk (6), first disk (3) has uniformly at intervals the first circular hole (2), second disk (6) has uniformly at intervals second circular hole (4) corresponding with respective first circular hole (2), the distribution of upper first circular hole of the first disk (3) (2) is identical with the distribution of upper second circular hole of the second disk (6) (4), the both sides of the second disk (6) are provided with the first in command (7) for lifting, assign in Water Tank with Temp.-controlled (5) after second circular hole (4) of sun power gravity assisted heat pipe evaporator section successively through first circular hole (2) of the first disk (3), the second disk (6), be provided with the thermometric cap (16) for measuring sun power gravity assisted heat pipe directly over the condensation segment of sun power gravity assisted heat pipe, thermometric cap (16) is connected with temperature polling instrument (12).
2. a kind of hat type sun power gravity assisted heat pipe temperature difference detection device according to claim 1, it is characterized in that: described thermometric cap (16) comprises three-at om system and multiple thermometric contact (15), each cylindric thermometric contact (15) is arranged on the end face of three-at om system uniformly at intervals, and the distribution of the distribution of distribution and upper first circular hole of first disk (3) (2) of thermometric contact (15) on three-at om system, upper second circular hole of the second disk (6) (4) is all identical; Each thermometric contact (15) end face is with binding post (14), binding post (14) connects temperature sensor, binding post (14) is connected with the connection terminal (13) of temperature polling instrument (12), and the both sides of three-at om system are provided with the second in command (17) for lifting.
3. a kind of hat type sun power gravity assisted heat pipe temperature difference detection device according to claim 1, is characterized in that: be all embedded with rubber sleeve in first circular hole (2) of described the first disk (3) and the second circular hole (4) hole of the second disk (6).
4. a kind of hat type sun power gravity assisted heat pipe temperature difference detection device according to claim 1, it is characterized in that: described the first disk (3), the second disk (6), three-at om system and support column (9) are organic glass or polypropylene, described thermometric contact (15) material is that the alloy of fine copper or copper processes or identical with sun power gravity assisted heat pipe condensation end material.
5. a kind of hat type sun power gravity assisted heat pipe temperature difference detection device according to claim 1, it is characterized in that: the height of described support column is higher than the height of Water Tank with Temp.-controlled splendid attire water liquid level, and the described interior water liquid level of Water Tank with Temp.-controlled (5) is 2/3 ~ 3/5 of sun power gravity assisted heat pipe height.
6. a kind of hat type sun power gravity assisted heat pipe temperature difference detection device according to claim 1, is characterized in that: described first disk, the second disk and thermometric cap shaped are replaced by rectangle or triangle.
7. a kind of hat type sun power gravity assisted heat pipe temperature difference detection device according to claim 1, is characterized in that: the accuracy of temperature control of described Water Tank with Temp.-controlled (5) is within the scope of ± 0.5 DEG C.
8. a hat type sun power gravity assisted heat pipe temperature difference detection method, is characterized in that adopting the arbitrary described device of claim 1 ~ 7 to measure, comprises the following steps:
Step one, unlatching Water Tank with Temp.-controlled, arrange preset temperature value;
Step 2, when Water Tank with Temp.-controlled water temperature stability is in preset temperature value, the device installing sun power gravity assisted heat pipe is put into Water Tank with Temp.-controlled, thermometric cap is installed to sun power gravity assisted heat pipe condensation end simultaneously, makes each thermometric contact be enclosed within respective sun power gravity assisted heat pipe condensation end;
Step 3, after standing a period of time, collect each sun power gravity assisted heat pipe condensation end measuring tempeature value Ti through thermometric contact and be sent to temperature polling instrument, then subtract each other with the real-time water temperature Tr of Water Tank with Temp.-controlled and obtain temperature difference △ Ti.
9. a kind of hat type sun power gravity assisted heat pipe temperature difference detection method according to claim 8, is characterized in that: the preset temperature value in described step one is 90 DEG C.
10. a kind of hat type sun power gravity assisted heat pipe temperature difference detection method according to claim 8, is characterized in that: in described step 3, time of repose is 30s ~ 60s.
CN201510317519.7A 2015-06-10 2015-06-10 A kind of hat type solar energy gravity assisted heat pipe temperature difference detection device and detection method Expired - Fee Related CN104880483B (en)

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CN201510317519.7A CN104880483B (en) 2015-06-10 2015-06-10 A kind of hat type solar energy gravity assisted heat pipe temperature difference detection device and detection method

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090190627A1 (en) * 2008-01-30 2009-07-30 Foxconn Technology Co., Ltd. Performance testing apparatus for heat pipes
CN202803278U (en) * 2012-08-02 2013-03-20 大连民族学院 Fixing support for water bath kettle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090190627A1 (en) * 2008-01-30 2009-07-30 Foxconn Technology Co., Ltd. Performance testing apparatus for heat pipes
CN202803278U (en) * 2012-08-02 2013-03-20 大连民族学院 Fixing support for water bath kettle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
夏润生: ""平板热管综合性能测试系统及其评估"", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 *

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