CN104897719A - Strafing type solar power gravity heat pipe batch temperature difference detection device and method - Google Patents
Strafing type solar power gravity heat pipe batch temperature difference detection device and method Download PDFInfo
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- CN104897719A CN104897719A CN201510315868.5A CN201510315868A CN104897719A CN 104897719 A CN104897719 A CN 104897719A CN 201510315868 A CN201510315868 A CN 201510315868A CN 104897719 A CN104897719 A CN 104897719A
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Abstract
The invention discloses a strafing type solar power gravity heat pipe batch temperature difference detection device and method. A constant temperature water tank is filled with water; a second semicircular plate is mounted right above the center of the bottom of the constant temperature water tank, and is mounted in the constant temperature water tank though supporting posts in a triangle in a supporting manner; the second semicircular plate is higher than the water surface of the constant temperature water tank; a first semicircular plate is mounted right above the second semicircular plate in a supporting manner; round holes are uniformly formed in the upper semicircular edge of each of the first semicircular plate and the second semicircular plate at intervals; solar power gravity heat pipes penetrate through the round holes in sequence and are inserted into the constant temperature water tank; an infrared temperature measuring gun is mounted on the sides of connecting posts. A plurality of solar power gravity heat pipes can be mounted at a time, the temperature value of the condensing ends of the solar power gravity heat pipes can be acquired by full use of non-contact temperature measurement, and the practicable method for realizing batch solar power gravity heat pipe temperature difference detection automation is provided, so that the detection efficiency of the solar power gravity heat pipes is improved.
Description
Technical field
The present invention relates to a kind of heat pipe pick-up unit and method, particularly relate to a kind of mowing type sun power gravity assisted heat pipe batch temperature difference pick-up unit and measuring 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, the object of the present invention is to provide a kind of mowing type sun power gravity assisted heat pipe batch temperature difference pick-up unit and measuring method, solve and once load branched sun power gravity assisted heat pipe, obtain the method for respective sun power gravity assisted heat pipe condensation end temperature value, and the evenly distributed error reducing differential temperature survey of sun power gravity assisted heat pipe, thus improve sun power gravity assisted heat pipe differential temperature survey accuracy.
For solving above technical matters, the present invention is achieved by the following technical solutions:
One, a kind of mowing type sun power gravity assisted heat pipe batch temperature difference pick-up unit:
Device comprises the first semi-disc and the second semi-disc that Water Tank with Temp.-controlled and level install up and down, Water Tank with Temp.-controlled is built with water, Water Tank with Temp.-controlled lateral wall is provided with the tank controller for controlling and show real-time water temperature, second semi-disc 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 on triangle, second semi-disc is higher than the water surface in Water Tank with Temp.-controlled, first semi-disc is supported by the joint pin of corner and is arranged on directly over the second semi-disc, first semi-disc has the first circular hole uniformly at intervals along semicircle edge, second semi-disc has second circular hole corresponding with respective first circular hole uniformly at intervals along semicircle edge, on first semi-disc, the distribution of the first circular hole is identical with the distribution of the second circular hole on the second semi-disc, the both sides of the second semi-disc are provided with the handle for lifting, assign in Water Tank with Temp.-controlled after second circular hole of sun power gravity assisted heat pipe successively through the first circular hole of the first semi-disc, the second semi-disc, joint pin side is provided with thermal infrared imager for obtaining sun power gravity assisted heat pipe condensation end temperature value or infrared temperature-measuring gun, infrared temperature-measuring gun is towards sun power gravity assisted heat pipe, and thermal infrared imager is with semi-disc axis being parallel and highly with very highly identical residing for gravity assisted heat pipe condensation end.
The setting height(from bottom) of described infrared temperature-measuring gun and the condensation segment of sun power gravity assisted heat pipe are in same level.
Described infrared temperature-measuring gun is arranged on the axis of the first semi-disc.
All rubber sleeve is embedded with in first circular hole of the first described semi-disc and the second circular hole hole of the second semi-disc.
The first described semi-disc, the second semi-disc all adopt poly (methyl methacrylate) plate, plastic plate or wood based panel.
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.
The accuracy of temperature control of described Water Tank with Temp.-controlled is within the scope of ± 0.5 DEG C.
Two, a mowing type sun power gravity assisted heat pipe batch temperature difference measuring 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, infrared temperature-measuring gun installs to sun power gravity assisted heat pipe condensation end side;
Step 3, after standing a period of time, trigger infrared temperature-measuring gun and obtain first sun power gravity assisted heat pipe condensation end temperature value, by infrared temperature-measuring gun each sun power gravity assisted heat pipe condensation end temperature value of wheel measuring successively in the horizontal plane, obtain each sun power gravity assisted heat pipe condensation end measuring tempeature value Ti, 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 the evenly distributed error reducing differential temperature survey of sun power gravity assisted heat pipe, 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, the first semi-disc, 2, joint pin, 3, tank controller, the 4, second circular hole, 5, Water Tank with Temp.-controlled, 6, support column, the 7, first circular hole, the 8, second semi-disc, 9, handle, 10, infrared temperature-measuring gun.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
As shown in Figure 1, the present invention includes the first semi-disc 1 and the second semi-disc 8 that Water Tank with Temp.-controlled 5 and level are installed up and down, Water Tank with Temp.-controlled 5 is built with water, Water Tank with Temp.-controlled 5 lateral wall is provided with the tank controller 3 for controlling and show real-time water temperature, second semi-disc 8 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 6 support on triangle, second semi-disc 8 is higher than the water surface in Water Tank with Temp.-controlled 5, first semi-disc 1 is supported by the joint pin 2 of corner and is arranged on directly over the second semi-disc 8, first semi-disc 1 has the first circular hole 7 uniformly at intervals along semicircle edge, second semi-disc 8 has second circular hole 4 corresponding with respective first circular hole 7 uniformly at intervals along semicircle edge, on first semi-disc 1, the distribution of the first circular hole 7 is identical with the distribution of the second circular hole 4 on the second semi-disc 8, the both sides of the second semi-disc 8 are provided with the handle 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 7, second semi-disc 8 of the first semi-disc 1, joint pin 2 side is provided with thermal infrared imager for obtaining sun power gravity assisted heat pipe condensation end temperature value or infrared temperature-measuring gun 10, infrared temperature-measuring gun 10 is towards sun power gravity assisted heat pipe, and thermal infrared imager is with semi-disc axis being parallel and highly with very highly identical residing for gravity assisted heat pipe condensation end.
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.
The setting height(from bottom) of infrared temperature-measuring gun 10 and the condensation segment of sun power gravity assisted heat pipe are in same level.
Infrared temperature-measuring gun 10 is arranged on the axis of the first semi-disc 1, and infrared temperature-measuring gun rotates, and makes it in rotation thermometric process, often prop up sun power gravity assisted heat pipe condensation end and should not overlap.Infrared temperature-measuring gun and condensation end horizontal range by semi-disc diameter itself parameter determine.
All rubber sleeve is embedded with in first circular hole 7 of the first semi-disc 1 and the second circular hole 4 hole of the second semi-disc 8.
First semi-disc 1, second semi-disc 8 all adopts plastic plate or wood based panel.
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.
The accuracy of temperature control of Water Tank with Temp.-controlled 5 is within the scope of ± 0.5 DEG C.
Circular sheet material is cut into two pieces of same semi-circular disks, the circumference of the first semi-disc 1 is had multiple first circular holes 7 of equidistantly distribution, the circumference of the second semi-disc 8 is had multiple second circular holes 4 of equidistantly distribution, two kinds of circular ports coaxially distribute, outside two pieces of semi-discs, be provided with joint pin 2, two pieces of disks are linked into an integrated entity, be provided with support column 6 in the second semi-disc 8 bottom, supported by group all-in-one-piece two pieces of semi-discs, whole device is picked up by handle 9.
The aperture of described first circular hole 7 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 7 and the second circular hole 4.
The height of joint pin should make sun power gravity assisted heat pipe have stability at vertical direction.
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.
By consulting objects of material slin emissivity table, the sun power gravity assisted heat pipe condensation end slin emissivity of use is 0.12.The temperature-measuring gun used is FLUKE F59mini hand-held infrared temperature measurement gun, and the emissivity of thermal infrared imager is set to 0.12.
Infrared temperature-test technology applies in the detection of the sun power gravity assisted heat pipe temperature difference by the present invention, overcomes the problems such as contact type measurement many wiring windings, facilitates production automation level.
Step one, unlatching Water Tank with Temp.-controlled, arranging preset temperature value is 90 DEG C; Appropriate water is joined in Water Tank with Temp.-controlled 5, makes the depth of water reach 1.1 meters.Control water temperature by water temperature regulater 3 make it to reach 90 DEG C and stablize.
Step 2, when Water Tank with Temp.-controlled water temperature stability is at 90 DEG C, the device installing sun power gravity assisted heat pipe is put into Water Tank with Temp.-controlled, infrared temperature-measuring gun 10 installs to sun power gravity assisted heat pipe condensation end side;
Step 3, after standing 60 second time, trigger infrared temperature-measuring gun, by this make a mistake fence-Boltzmann law W=ε σ T
4obtain first sun power gravity assisted heat pipe condensation end temperature value, rotated in the horizontal plane by infrared temperature-measuring gun and measure sun power gravity assisted heat pipe condensation end temperature value successively, infrared temperature-measuring gun can rotate to look squarely scanning sun power gravity assisted heat pipe condensation end by driving stepper motor and obtain each sun power gravity assisted heat pipe condensation end temperature value.Thus obtain each sun power gravity assisted heat pipe condensation end measuring tempeature value Ti, 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.
Carry out thermometric with the infrared temperature-measuring gun 10 setting emissivity after 60s and obtain each sun power gravity assisted heat pipe condensation end temperature value, it is respectively 78.9,85.3,86.2,81.4,88.1,76.5,81.2,80.6,79.5,76.9,77.2,84.1,84.2,79.5,79.8,80.7 DEG C, and when measuring, the real-time water temperature Tr of Water Tank with Temp.-controlled is 89.8 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 10.9,4.5,3.6,8.4,1.7,13.3,8.6,9.2,10.3,12.9,12.6,5.7,9.5,10.3,10,9.1, DEG C.
Finally the first semi-disc 1, second semi-disc 8 is removed Water Tank with Temp.-controlled and complete measurement.
For verifying the validity of this temperature difference measuring method, again by original-pack have the temp difference measurer of 16 sun power gravity assisted heat pipes to put into Water Tank with Temp.-controlled 60s after, gather each condensation end temperature value with SMD PT100 platinum resistance thermometer sensor, and be respectively 78.6,80.3,82.6,80.4,86.2,75.2,80.1,79.2,78.2,75.6,76.2,83.1,79.8,78.6,78.2,79.2 DEG C, and when measuring, the real-time water temperature of Water Tank with Temp.-controlled is 89.7 DEG C.Show that in the test of the sun power gravity assisted heat pipe temperature difference, the temperature difference is respectively 11.1,9.4,7.1,9.3,3.5,14.5,9.6,10.5,11.5,14.1,13.5,6.6,9.9,11.1,11.5,10.5 DEG C.
The data obtained by above method are shown: adopt the temperature difference that obtains of this method and be respectively 0.2,4.9,3.5,0.9,1.8,1.2,1,1.3,1.2,1.2,0.9,0.9,0.4,0.8,1.5,1.4 DEG C by the temperature difference absolute difference that PT100 platinum resistance thermometer sensor, records, can find out that this method and contact temperature-measuring also have a certain distance, main cause is that condensation end exists oxidation, emissivity with check in data and have certain deviation; But use this method to judge that sun power gravity assisted heat pipe qualification is consistent with contact temperature-measuring judged result.
The present invention carries the device of sun power gravity assisted heat pipe and measures temperature difference method, should meet GB/T 24767-2009 " 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 mowing type sun power gravity assisted heat pipe batch temperature difference pick-up unit, it is characterized in that: comprise the first semi-disc (1) and the second semi-disc (8) that Water Tank with Temp.-controlled (5) and level install up and down, Water Tank with Temp.-controlled (5) is built with water, Water Tank with Temp.-controlled (5) lateral wall is provided with the tank controller (3) for controlling and show real-time water temperature, second semi-disc (8) 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 (6) support on triangle, second semi-disc (8) is higher than the water surface in Water Tank with Temp.-controlled (5), first semi-disc (1) is supported by the joint pin (2) of corner and is arranged on directly over the second semi-disc (8), first semi-disc (1) has the first circular hole (7) uniformly at intervals along semicircle edge, second semi-disc (8) has second circular hole (4) corresponding with respective first circular hole (7) uniformly at intervals along semicircle edge, the distribution of upper first circular hole of the first semi-disc (1) (7) is identical with the distribution of upper second circular hole of the second semi-disc (8) (4), the both sides of the second semi-disc (8) are provided with the handle (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 first circular hole (7) of the first semi-disc (1), the second semi-disc (8), joint pin (2) side is provided with thermal infrared imager for obtaining sun power gravity assisted heat pipe condensation end temperature value or infrared temperature-measuring gun (10), infrared temperature-measuring gun (10) is towards sun power gravity assisted heat pipe, and thermal infrared imager is with semi-disc axis being parallel and highly with very highly identical residing for gravity assisted heat pipe condensation end.
2. a kind of mowing type sun power gravity assisted heat pipe batch temperature difference pick-up unit according to claim 1, is characterized in that: the setting height(from bottom) of described infrared temperature-measuring gun (10) and the condensation segment of sun power gravity assisted heat pipe are in same level.
3. a kind of mowing type sun power gravity assisted heat pipe batch temperature difference pick-up unit according to claim 1, is characterized in that: described infrared temperature-measuring gun (10) is arranged on the axis of the first semi-disc (1).
4. a kind of mowing type sun power gravity assisted heat pipe batch temperature difference pick-up unit according to claim 1, is characterized in that: be all embedded with rubber sleeve in first circular hole (7) of described the first semi-disc (1) and the second circular hole (4) hole of the second semi-disc (8).
5. a kind of mowing type sun power gravity assisted heat pipe batch temperature difference pick-up unit according to claim 1, is characterized in that: described the first semi-disc (1), the second semi-disc (8) all adopt poly (methyl methacrylate) plate, plastic plate or wood based panel.
6. a kind of mowing type sun power gravity assisted heat pipe batch temperature difference pick-up unit 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.
7. a kind of mowing type sun power gravity assisted heat pipe batch temperature difference pick-up unit 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 mowing type sun power gravity assisted heat pipe batch temperature difference measuring 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, infrared temperature-measuring gun installs to sun power gravity assisted heat pipe condensation end side;
Step 3, after standing a period of time, trigger infrared temperature-measuring gun and obtain first sun power gravity assisted heat pipe condensation end temperature value, by infrared temperature-measuring gun each sun power gravity assisted heat pipe condensation end temperature value of wheel measuring successively in the horizontal plane, obtain each sun power gravity assisted heat pipe condensation end measuring tempeature value Ti, 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 mowing type sun power gravity assisted heat pipe batch temperature difference measuring 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 mowing type sun power gravity assisted heat pipe batch temperature difference measuring method according to claim 8, is characterized in that: in described step 3, time of repose is 30s ~ 60s.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510315868.5A CN104897719A (en) | 2015-06-10 | 2015-06-10 | Strafing type solar power gravity heat pipe batch temperature difference detection device and method |
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| CN201510315868.5A CN104897719A (en) | 2015-06-10 | 2015-06-10 | Strafing type solar power gravity heat pipe batch temperature difference detection device and method |
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| CN104897719A true CN104897719A (en) | 2015-09-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389727A (en) * | 2017-07-19 | 2017-11-24 | 中国科学院寒区旱区环境与工程研究所 | A kind of Frozen Ground Area heat pipe floor data detection means based on temperature differential method |
| CN115436425A (en) * | 2022-10-21 | 2022-12-06 | 宁夏建设职业技术学院 | Solar gravity heat pipe infrared temperature difference measuring device and measuring method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20090190627A1 (en) * | 2008-01-30 | 2009-07-30 | Foxconn Technology Co., Ltd. | Performance testing apparatus for heat pipes |
| CN203074679U (en) * | 2013-01-21 | 2013-07-24 | 中国计量学院 | Electronic thermometer fixture support for electronic thermometer verification |
| CN104359338A (en) * | 2014-10-30 | 2015-02-18 | 中国计量学院 | Rapid temperature measuring device and method for solar gravity heat pipe temperature difference detection |
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2015
- 2015-06-10 CN CN201510315868.5A patent/CN104897719A/en active Pending
Patent Citations (3)
| 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 |
| CN203074679U (en) * | 2013-01-21 | 2013-07-24 | 中国计量学院 | Electronic thermometer fixture support for electronic thermometer verification |
| CN104359338A (en) * | 2014-10-30 | 2015-02-18 | 中国计量学院 | Rapid temperature measuring device and method for solar gravity heat pipe temperature difference detection |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389727A (en) * | 2017-07-19 | 2017-11-24 | 中国科学院寒区旱区环境与工程研究所 | A kind of Frozen Ground Area heat pipe floor data detection means based on temperature differential method |
| CN107389727B (en) * | 2017-07-19 | 2023-09-01 | 中国科学院西北生态环境资源研究院 | Frozen soil area heat pipe working condition data detection device based on temperature difference method |
| CN115436425A (en) * | 2022-10-21 | 2022-12-06 | 宁夏建设职业技术学院 | Solar gravity heat pipe infrared temperature difference measuring device and measuring method |
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