CN207703759U - A kind of object thermal conductivity measurement experiment device - Google Patents
A kind of object thermal conductivity measurement experiment device Download PDFInfo
- Publication number
- CN207703759U CN207703759U CN201721909226.9U CN201721909226U CN207703759U CN 207703759 U CN207703759 U CN 207703759U CN 201721909226 U CN201721909226 U CN 201721909226U CN 207703759 U CN207703759 U CN 207703759U
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- CN
- China
- Prior art keywords
- aluminium bar
- copper rod
- temperature sensor
- temperature
- thermal conductivity
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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.)
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Abstract
A kind of object thermal conductivity measurement experiment device, it includes the copper rod and aluminium bar being fixed on vertically on aluminum heat dissipation base, becomes the cold end of stick；The periphery of two sticks is respectively cased with the vertical plastic cylinder being fixed on heat dissipation base；Insulation filling materials are full of between cylinder and stick；It is inserted into heating rod in the blind hole of copper and aluminium bar upper end, becomes the hot junction of stick；The side of stick is installed by two temperature sensors；Heater and temperature sensor wires are separately connected the respective socket of terminal box, and external data Acquisition Instrument records time and corresponding temperature data, can draw curve, calculates the thermal conductivity of different metals stick.
Description
Technical field
The utility model is related to a kind of physics facility more particularly to a kind of object thermal conductivity measurement experiment devices.
Background technology
When carrying out electronic product thermal design and radiator and calculating, thermal conductivity this physical concept will be used, it is weighing apparatus
The physical parameter for measuring material thermal conductivity ability, is the extremely important index that heat sink material is selected, and existing thermal conductivity is surveyed
It is complicated, not intuitive to try instrument structure school.
Invention content
In order to solve the shortcoming present in above-mentioned technology, the utility model provides a kind of object heat of simple, intuitive
Conductance measurement experiment device.
The technical solution adopted in the utility model is：A kind of object thermal conductivity measurement experiment device, including heat dissipation base and
Vertical two plastic cylinders being fixed on aluminum heat dissipation base, it is vertically-mounted in one of plastic cylinder to have a copper rod, it is another
It is vertically-mounted in a plastic cylinder to have aluminium bar；And heat-barrier material is filled between the copper rod, aluminium bar and plastic cylinder barrel；Institute
Inserted with heating rod in the copper rod and aluminium bar upper end blind hole stated, inserted with the first temperature in the blind hole of side two of copper rod and aluminium bar
Spend sensor and second temperature sensor, heating rod, the first temperature sensor and second temperature sensor on copper rod and aluminium bar
It is led to outside plastic cylinder by lead respectively.
Further, further include the terminal box being mounted on above two plastic cylinders, the terminal box side has multiple
Warming interface and heating tod socket；Temperature sensor is connected by a warming interface with data collecting instrument, and heating rod passes through heating
Tod socket is connected with temperature controller.
Further, the lower end of the copper rod and aluminium bar is embedded in heat dissipation base.
Further, cover is stamped in plastic cylinder upper end；The cover center has groove, and the copper rod or aluminium bar are embedded in
In groove.
The utility model is easy to operate, intuitive and easy to understand, and thermal conductivity survey can be carried out on object thermal conductivity measurement experiment device
Amount experiment, and deepened student and thermal conductivity measurement is further understood, there is wide applicability.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
In figure：1, copper rod；2, aluminium bar；3, aluminum heat dissipation base；4, terminal box；5, plastic cylinder；6, the first temperature sensing
Device；7, second temperature sensor；8,9 be respectively warming interface；10, tod socket is heated；11, heating rod；12, plastics cover；13、
Heat-barrier material.
Specific implementation mode
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
A kind of object thermal conductivity measurement experiment device, including heat dissipation base 3 and be fixed on vertically on aluminum heat dissipation base 3
Two plastic cylinders 5,9 centimetres of cylinder diameter, a height of 30 centimetres；It is vertically-mounted in one of plastic cylinder 5 to have a copper rod 1, it is another
It is vertically-mounted in a plastic cylinder 5 to have aluminium bar 2,1.4 centimetres of stick diameter contour with plastic cylinder 5；And the copper rod 1, aluminium bar 2
Heat-barrier material 13 is filled between 5 barrel of plastic cylinder；The copper rod 1 and 2 upper end of aluminium bar is provided with blind hole, in blind hole
Inserted with heating rod 11, the side of copper rod 1 and aluminium bar 2 is provided with two blind holes, is inserted into the first temperature sensor 6 in blind hole respectively
With second temperature sensor 7, wherein the first temperature sensor 6 on two barred bodies is contour, two second temperature sensors 7 etc.
Height, distance of the second temperature sensor apart from barred body lower end are 8 centimetres, 7 phase of the first temperature sensor 6 and second temperature sensor
Away from 10 centimetres.Heating rod 11, the first temperature sensor 6 and second temperature sensor 7 on copper rod 1 and aluminium bar 2 is respectively by drawing
Line is led to outside plastic cylinder 5.
The upper end installation heating rod of metal bar becomes hot junction, and lower end is mounted on larger aluminum heat dissipation base, becomes cold end.
4 temperature sensor external data Acquisition Instruments, record time and corresponding temperature data, and m- temperature curve when can draw calculates
The thermal conductivity of different metals stick.
Further include the terminal box 4 for being mounted on two 5 tops of plastic cylinder, the terminal box side has multiple temperature in figure
Feel interface and heater socket 10；Temperature sensor is connected by a warming interface with data collecting instrument, and heating rod passes through heating
Device socket 10 is connected with temperature controller.
In figure, the lower end of the copper rod 1 and aluminium bar 2 is embedded in aluminum heat dissipation base 3, to improve contact area, accelerates
Heat dissipation.
In figure, cover 12 is stamped in 5 upper end of plastic cylinder；12 center of the cover has groove, the copper rod 1 or aluminium bar 2
In groove, to fix the position of barred body.
The utility model has the following advantages compared with traditional technology：
(1) it is designed to integrated synthesis experiment porch, intuitive display material bulk thermal conductivities principle can be facilitated, test, operation
It is easy, intuitive and easy to understand；
(2) thermal conductivity that may compare different metals reinforces student and further understands object thermal conductivity.
The above embodiment is not limitations of the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made within the scope of the technical solution of the utility model,
Also the scope of protection of the utility model is belonged to.
Claims (4)
1. a kind of object thermal conductivity measurement experiment device, which is characterized in that be fixed on including aluminum heat dissipation base (3) and vertically scattered
Two plastic cylinders (5) on hot pedestal (3), vertically-mounted in one of plastic cylinder (5) to have copper rod (1), another modeling
It is vertically-mounted in material cylinder (5) to have aluminium bar (2)；And it is filled between the copper rod (1), aluminium bar (2) and plastic cylinder (5) barrel
Heat-barrier material (13)；Inserted with heating rod (11), copper rod (1) and aluminium bar in the copper rod (1) and aluminium bar (2) upper end blind hole
(2) inserted with the first temperature sensor (6) and second temperature sensor (7), two the first temperature in two blind holes of side
Sensor (6) is contour, and two second temperature sensors (7) are contour, heating rod (11), the first temperature on copper rod (1) and aluminium bar (2)
Degree sensor (6) and second temperature sensor (7) lead to plastic cylinder (5) outside by lead respectively.
2. the apparatus according to claim 1, which is characterized in that further include being mounted on connecing above two plastic cylinders (5)
Wire box (4), the terminal box side have multiple warming interfaces and heater socket (10)；Temperature sensor is connect by a warming
Mouth is connected with external data collecting instrument, and heating rod is connected by heater socket (10) with external temperature controller.
3. the apparatus according to claim 1, which is characterized in that the lower end of the copper rod (1) and aluminium bar (2) is embedded in aluminium
Matter heat dissipation base (3).
4. the apparatus according to claim 1, which is characterized in that be stamped cover (12) in plastic cylinder (5) upper end；The cover
(12) center has groove, the copper rod (1) or aluminium bar (2) in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721909226.9U CN207703759U (en) | 2017-12-30 | 2017-12-30 | A kind of object thermal conductivity measurement experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721909226.9U CN207703759U (en) | 2017-12-30 | 2017-12-30 | A kind of object thermal conductivity measurement experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207703759U true CN207703759U (en) | 2018-08-07 |
Family
ID=63030527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721909226.9U Expired - Fee Related CN207703759U (en) | 2017-12-30 | 2017-12-30 | A kind of object thermal conductivity measurement experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207703759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991271A (en) * | 2019-04-08 | 2019-07-09 | 包头稀土研究院 | Specimen holder, the magnetothermal effect measuring instrument with reference temperature and measurement method |
-
2017
- 2017-12-30 CN CN201721909226.9U patent/CN207703759U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991271A (en) * | 2019-04-08 | 2019-07-09 | 包头稀土研究院 | Specimen holder, the magnetothermal effect measuring instrument with reference temperature and measurement method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20181230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |