CN205404462U - Visual measuring device of separated heat pipe - Google Patents
Visual measuring device of separated heat pipe Download PDFInfo
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- CN205404462U CN205404462U CN201620118407.9U CN201620118407U CN205404462U CN 205404462 U CN205404462 U CN 205404462U CN 201620118407 U CN201620118407 U CN 201620118407U CN 205404462 U CN205404462 U CN 205404462U
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- heat pipe
- liquid
- condensation segment
- chuck
- heat
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Abstract
The utility model provides a visual measuring device of separated heat pipe, including the measuring unit and two measuring unit of setting in separated heat pipe condensation segment side that set up in separated heat pipe evaporation zone side, a measuring unit and the 2nd measuring unit have the same structure, and all include: press from both sides the cover, the cover is established on evaporation zone or condensation segment to and it has heat transfer liquid heat transfer passageway to constitute between evaporation zone or the condensation segment, presss from both sides to sheathe in to be provided with inlet and liquid outlet, heat transfer liquid supply unit, the inlet of connecting clamp cover to provide heat transfer liquid to heat transfer liquid heat transfer passageway, the measurement unit is through the liquid outlet of conveying line connecting clamp cover to heat transfer liquid to through evaporation zone or condensation segment heat transfer is weighed, temperature measuring unit is including two the 1st temperature measuring device that set up temperature when pressing from both sides cover inlet and liquid outlet and advance, go out the clamp and overlap with test heat transfer liquid respectively. The utility model provides a measuring device provides important technology platform to the roadability research of heat pipe.
Description
Technical field
This utility model belongs to properties of hot pipe fields of measurement, particularly relates to a kind of separate heat pipe visual measuring device.
Background technology
Heat pipe is dependent on the hydraulic fluid phase transformation of therein and realizes the heat transfer element of heat transfer, generally include evaporator section and condensation segment, when one end (i.e. evaporator section) of heat pipe is heated, its internal hair is threaded the liquid carburation by evaporation in core, steam flows to the other end (i.e. condensation segment) under small pressure reduction and releases heat and condense into liquid, and liquid flows back to evaporator section along porous material by the effect of capillary force again.So circulation is not own, and heat is reached another end by one end of heat pipe.Adiabatic section can be arranged between evaporator section and condensation segment according to application needs.Wherein separate heat pipe then represents that evaporator section and condensation segment are not integral arrangement, but respective independently installed use, referring to separate heat pipe patent of invention disclosed in the patent No. 201310044900.1.The heat transfer property of separate heat pipe, heat-transfer effect quality are typically required and utilize extra visualized experiment platform to test, but the local flat tube that present visualized experiment platform is mainly in heat pipe adiabatic section carries out, the scope and the feature that are available for observation are incomplete.
Utility model content
For deficiency existing in prior art, this utility model provides a kind of separate heat pipe visual measuring device, it carries out heat output test by evaporator section and the condensation segment of opposite heat tube respectively, properties of hot pipe test accuracy is improved, and the operation characteristic research for heat pipe provides important technology platform.
For achieving the above object, this utility model have employed following technical scheme:
A kind of separate heat pipe visual measuring device, including being arranged on the first measuring unit of separate heat pipe evaporator section side and being arranged on the second measuring unit of separate heat pipe condensation segment side, described first measuring unit and the second measuring unit have identical structure, and all include:
The chuck adopting transparent material to make, is set on evaporator section or condensation segment, and and constitute between evaporator section or condensation segment and have heat exchanging liquid heat exchanger channels, described chuck is provided with inlet and liquid outlet, and inlet under, liquid outlet is upper；
Heat exchanging liquid feed unit, connects the inlet of chuck, to provide heat exchanging liquid to heat exchanging liquid heat exchanger channels；
Metering units, connects the liquid outlet of chuck, so that the heat exchanging liquid through evaporator section or condensation segment heat exchange to be weighed by transfer pipeline；And temperature measuring unit, including two the first temperature measuring equipments of temperature when being separately positioned on chuck inlet and liquid outlet to test heat exchanging liquid into and out of chuck.
Compared to prior art, this utility model at least has the advantages that
Separate heat pipe visual measuring device described in the utility model by arranging identical measuring unit structure (i.e. chuck, heat exchanging liquid feed unit, metering units and temperature measuring unit) respectively to evaporator section and condensation segment, the heat output of evaporator section and condensation segment can be obtained respectively, and then know the heat transfer property of whole heat pipe, this is that the operation characteristic research of heat pipe provides important technology platform.
Accompanying drawing explanation
Fig. 1 is the structural representation of separate heat pipe visual measuring device described in the utility model.
Fig. 2 separate heat pipe test specimen schematic diagram.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and act on clearly and be apparent to, below in conjunction with the drawings and specific embodiments, this utility model is further elaborated:
As shown in Figure 1, the utility model proposes a kind of separate heat pipe visual measuring device, including being arranged on the first measuring unit 10 of separate heat pipe evaporator section side and being arranged on the second measuring unit 20 of separate heat pipe condensation segment side, described first measuring unit 10 and the second measuring unit 20 have identical structure, and all include:
Adopt the chuck 11,21 that transparent material makes, it is set on evaporator section or condensation segment, and and evaporator section or condensation segment between constitute have heat exchanging liquid heat exchanger channels, described chuck 11,21 is provided with inlet 11a, 21a and liquid outlet 11b, 21b, and inlet 11a, 21a under, liquid outlet 11b, 21b are upper (from figure 1 it will be seen that the two is distributed in chuck both sides)；Heat exchanging liquid feed unit 12,22, connects inlet 11a, 21a of chuck, to provide heat exchanging liquid to heat exchanging liquid heat exchanger channels；Metering units 13,23, connects liquid outlet 11b, 21b of chuck, so that the heat exchanging liquid through evaporator section or condensation segment heat exchange to be weighed by transfer pipeline；And temperature measuring unit 14,24, including two first temperature measuring equipments 14a, 24a of temperature when being separately positioned on chuck inlet 11a, 21a and liquid outlet 11b, 21b to test heat exchanging liquid into and out of chuck.
In such scheme, chuck can adopt lucite to be made, this utility model measurement apparatus by respectively evaporator section and condensation segment are arranged identical measuring unit structure (namely chuck, heat exchanging liquid feed unit 12,22, metering units 13,23 and temperature measuring unit 14,24), the heat output of evaporator section and condensation segment can be obtained respectively, and then know the heat transfer property of whole heat pipe, this is that the operation characteristic research of heat pipe provides important technology platform.And the calculating of heat output is to adopt the measurement of load-bearing method, namely according to the chuck Inlet and outlet water temperature difference and heat exchanging liquid flow (or claiming heat exchange flow rate of heat medium), weighing is determined, and specific formula for calculation is as follows:
Evaporator section, the heat of its absorption heat-exchange liquid makes heat exchanging liquid by heat release, namely the caloric receptivity of evaporator section it is achieved with by the thermal discharge of heat exchanging liquid, Q puts=c*m*(t0-t), unit is joule J, wherein t0 is the temperature value (i.e. initial temperature) that heat exchanging liquid records from evaporator section chuck inlet 11a, 21a, and t is the temperature value (i.e. end temperature) that heat exchanging liquid records from chuck liquid outlet 11b, 21b after evaporator section；Condensation segment, it is released heat to heat exchanging liquid and heat exchanging liquid is heated, namely the thermal discharge of condensation segment it is achieved with by the caloric receptivity of heat exchanging liquid, Q suction=c*m*(t-t0), unit is joule J, wherein t0 is the temperature value (i.e. initial temperature) that heat exchanging liquid records from condensation segment chuck inlet 11a, 21a, and t is the temperature value (i.e. end temperature) that heat exchanging liquid records from chuck liquid outlet 11b, 21b after condensation segment；C is the specific heat capacity of heat exchanging liquid, if heat exchanging liquid is water, it is simply that specific heat of water holds；M is the heat exchanging liquid quality of conversion after being weighed by metering units 13,23.
As a preferred version of such scheme, second temperature measuring equipment 14b, 24b that described temperature measuring unit 14,24 also includes being arranged on evaporator section or condensation segment is respectively restrained.By being respectively provided with corresponding temperature point at evaporator section and condensation segment, the heat output in conjunction with above-mentioned acquisition can the heat transfer property of opposite heat tube be evaluated, and knows the heat-transfer effect of heat pipe.In described measuring unit, the first temperature measuring equipment 14a, 24a and the second temperature measuring equipment 14b, 24b preferably employ temperature thermocouple.First temperature measuring equipment 14a, 24a and the second temperature measuring equipment 14b, 24b are all connected with data acquisition unit, and are connected to PC by data acquisition unit communication, as shown in Figure 1.
Referring to Fig. 1, described heat exchanging liquid feed unit 12,22 includes: water bath with thermostatic control 12a, 22a, stores described heat exchanging liquid；Water tank 12b, 22b, connect water bath with thermostatic control 12a, 22a by feed pump, and connect chuck inlet 11a, 21a to provide stable heat exchanging liquid to chuck.Wherein water bath with thermostatic control 12a, 22a can control the temperature of heat exchanging liquid (i.e. water), after water tank 12b, 22b then pass into water from water bath with thermostatic control 12a, 22a, provides stable heat exchanging liquid to chuck.As to how provide stable heat exchanging liquid, scheme is as follows: described water tank 12b, 22b are internally provided with dividing plate A, B, water tank 12b, 22b inner space is separated into water chamber A1, B1 and backwater cavity A2, B2 by described dividing plate A, B, wherein said water chamber A1, B1 connect water bath with thermostatic control 12a, 22a by described feed pump, and remaining at constant level by dividing plate, described backwater cavity A2, B2 connect water bath with thermostatic control 12a, 22a.Namely in water tank 12b, 22b, remain constant circulating water pressure.
Wherein, described chuck liquid outlet 11b, 21b are also associated with a liquid storing barrel 15,25 to the transfer pipeline of metering units 13,23.By a part of heat exchanging liquid that liquid storing barrel 15,25 storage is flowed out from chuck liquid storage mouth, another part heat exchanging liquid is then sent on metering units 13,23 by pipeline and carries out weighing measurement.Metering units 13,23 preferably employs electronic scale, is placed with title liquid bucket on electronic scale.Here, liquid storing barrel is not essential, in time being not provided with liquid storing barrel, can be directly connected in water bath with thermostatic control by the pipeline of connection liquid storing barrel, to carry out refluxing.
In this utility model, between described evaporator section and condensation segment, it is additionally provided with adiabatic section, one of them pipeline section of described adiabatic section is provided with tee T, to connect heat-pipe working medium filling device, vacuum pump and vacuum meter respectively.Owing to heat pipe itself is a vacuum system sealed, therefore a tee T 30 is here set to be respectively communicated with vacuum pump and vacuum meter, and changes the filling device of heat pipe inner chamber working medium, in order to the use of different working medium, the operation of different liquid filled ratios.Concrete principle is first evacuation in the pipe closed, make intrinsic pressure reach requirement after, fill the heat-pipe working medium (distilled water, ethanol etc.) of 40% ~ 60% in this case.The evaporator section of separate heat pipe test specimen and condensation segment are made by other transparent materials such as glass, it is easy to observe Working fluid flow transport phenomenon feature, referring to 2, wherein in the figure shown in Fig. 2, C1 represents that C place condensation segment concrete structure displaying figure, D1 represent D place evaporator section concrete structure displaying figure.
Described evaporator section and condensation segment are made by transparent materials such as glass, it is simple to observe Working fluid flow transport phenomenon feature.
Generally speaking, separate heat pipe visual measuring device described in the utility model can complete heat pipe and start to comprehensive test of evaporative condenser section heat-transfer capability and heat-transfer effect in running: the accurate recording (weigh determine according to the chuck Inlet and outlet water temperature difference and heat exchange flow rate of heat medium) of heat output, and the thoroughly evaluating of heat-transfer effect (determining comprehensive thermal resistance according to heat output and the evaporator section condensation segment temperature difference).It is simultaneously suitable for visualization evaporation and the condensation segment heat exchange jacket of separate heat pipe；Evaporator section, condensation segment heat-exchanging state scalable, have stable heat exchange flow rate of heat medium and heat medium temperature is controlled；Heat-pipe working medium charges valve member group and is easy to the operation of the use of different working medium, different liquid filled ratio.Further, can by telling that photographic attachment, thermal infrared imager are analysed in depth for inside heat pipe Working fluid flow state and heat compensator conducting property.
What finally illustrate is, above example is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail with reference to preferred embodiment, it will be understood by those within the art that, the technical solution of the utility model can be modified or equivalent replacement, without deviating from objective and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (9)
1. a separate heat pipe visual measuring device, it is characterized in that, including being arranged on the first measuring unit of separate heat pipe evaporator section side and being arranged on the second measuring unit of separate heat pipe condensation segment side, described first measuring unit and the second measuring unit have identical structure, and all include:
The chuck adopting transparent material to make, is set on evaporator section or condensation segment, and and constitute between evaporator section or condensation segment and have heat exchanging liquid heat exchanger channels, described chuck is provided with inlet and liquid outlet, and inlet under, liquid outlet is upper；
Heat exchanging liquid feed unit, connects the inlet of chuck, to provide heat exchanging liquid to heat exchanging liquid heat exchanger channels；
Metering units, connects the liquid outlet of chuck, so that the heat exchanging liquid through evaporator section or condensation segment heat exchange to be weighed by transfer pipeline；And temperature measuring unit, including two the first temperature measuring equipments of temperature when being separately positioned on chuck inlet and liquid outlet to test heat exchanging liquid into and out of chuck.
2. separate heat pipe visual measuring device as claimed in claim 1, it is characterised in that the second temperature measuring equipment that described temperature measuring unit also includes being arranged on evaporator section or condensation segment is respectively restrained.
3. separate heat pipe visual measuring device as claimed in claim 2, it is characterised in that in described measuring unit, the first temperature measuring equipment and the second temperature measuring equipment all adopt temperature thermocouple.
4. separate heat pipe visual measuring device as claimed in claim 2 or claim 3, it is characterised in that the first temperature measuring equipment and the second temperature measuring equipment are all connected with data acquisition unit, and are connected to PC by data acquisition unit communication.
5. separate heat pipe visual measuring device as claimed in claim 4, it is characterised in that described heat exchanging liquid feed unit includes:
Water bath with thermostatic control, stores described heat exchanging liquid；
Water tank, connects water bath with thermostatic control by feed pump, and connects chuck inlet to provide stable heat exchanging liquid to chuck.
6. separate heat pipe visual measuring device as claimed in claim 5, it is characterised in that described water tank is internally provided with dividing plate, and water tank inner space is separated into water chamber and backwater cavity by described dividing plate, wherein
Described water chamber connects water bath with thermostatic control by described feed pump, and remains at constant level by dividing plate, the connection water bath with thermostatic control of described backwater cavity.
7. separate heat pipe visual measuring device as claimed in claim 1, it is characterised in that described chuck liquid outlet is also associated with a liquid storing barrel to the transfer pipeline of metering units.
8. separate heat pipe visual measuring device as claimed in claim 1, it is characterized in that, it is additionally provided with adiabatic section between described evaporator section and condensation segment, one of them pipeline section of described adiabatic section is provided with tee T, to connect heat-pipe working medium filling device, vacuum pump and vacuum meter respectively.
9. separate heat pipe visual measuring device as claimed in claim 1, it is characterised in that described evaporator section and condensation segment are made by glass, it is simple to observe Working fluid flow transport phenomenon feature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620118407.9U CN205404462U (en) | 2016-02-05 | 2016-02-05 | Visual measuring device of separated heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620118407.9U CN205404462U (en) | 2016-02-05 | 2016-02-05 | Visual measuring device of separated heat pipe |
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| Publication Number | Publication Date |
|---|---|
| CN205404462U true CN205404462U (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620118407.9U Expired - Fee Related CN205404462U (en) | 2016-02-05 | 2016-02-05 | Visual measuring device of separated heat pipe |
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| Country | Link |
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| CN (1) | CN205404462U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342253A (en) * | 2018-11-29 | 2019-02-15 | 安徽工业大学 | A kind of loop heat pipe capillary core performance testing device and its test method |
| CN109490366A (en) * | 2018-10-31 | 2019-03-19 | 北京建筑大学 | A kind of visualization pulsating heat pipe experimental system and experimental method |
| CN110849761A (en) * | 2019-10-28 | 2020-02-28 | 南京航空航天大学 | Device and method for testing heat transfer performance of high-temperature heat pipe |
-
2016
- 2016-02-05 CN CN201620118407.9U patent/CN205404462U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490366A (en) * | 2018-10-31 | 2019-03-19 | 北京建筑大学 | A kind of visualization pulsating heat pipe experimental system and experimental method |
| CN109490366B (en) * | 2018-10-31 | 2021-05-11 | 北京建筑大学 | Visual pulsating heat pipe experiment system and method |
| CN109342253A (en) * | 2018-11-29 | 2019-02-15 | 安徽工业大学 | A kind of loop heat pipe capillary core performance testing device and its test method |
| CN109342253B (en) * | 2018-11-29 | 2024-02-02 | 安徽工业大学 | Loop heat pipe capillary core performance testing device and testing method thereof |
| CN110849761A (en) * | 2019-10-28 | 2020-02-28 | 南京航空航天大学 | Device and method for testing heat transfer performance of high-temperature heat pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20190205 |