CN209280616U - A kind of thermal conductivity measuring apparatus - Google Patents
A kind of thermal conductivity measuring apparatus Download PDFInfo
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- CN209280616U CN209280616U CN201821963103.8U CN201821963103U CN209280616U CN 209280616 U CN209280616 U CN 209280616U CN 201821963103 U CN201821963103 U CN 201821963103U CN 209280616 U CN209280616 U CN 209280616U
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- thermal conductivity
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Abstract
The utility model relates to a kind of thermal conductivity measuring apparatus, it includes cabinet, box house is provided with room temperature room, hot cell and test block, the clamping piece for clamping plate of material to be detected is provided in test block, clamping piece includes upper clamp component and lower part clamping component, upper clamp component includes the first fixed plate of top, the second fixed plate of top and top movable plate, it includes the first fixed plate of lower part that lower part, which clamps component, the second fixed plate of lower part and lower removable plate, the first regulating part for adjusting upper clamp component height is provided between the top and upper holding part of test block, the second regulating part for adjusting the spacing between the first fixed plate of top movable plate and top is additionally provided in test block, the third regulating part for adjusting the spacing between the first fixed plate of lower removable plate and lower part is additionally provided in test block.The utility model has the inside that plate of material to be detected is stably fixed to analyzer, thus the advantages of improving the accuracy of measurement result.
Description
Technical field
The utility model relates to the technical fields of material tests, more particularly, to a kind of thermal conductivity measuring apparatus.
Background technique
Thermal coefficient refers to that under the conditions of steady heat transfer, 1 meter of thick material, the temperature difference of both side surface is 1 degree, in 1 second
The heat transmitted by 1 square metre of area, thermal coefficient is only for there are thermally conductive heat transfer forms, when there are the heat of other forms
When transmitting form, such as complex heat transfer relationship when radiation, convection current and a variety of heat transfer forms of mass transfer, the property are commonly known as table
See thermal coefficient, dominant thermal coefficient or effective thermal conductivity.Thermal coefficient is very important physics during material heat transfer calculates
Amount is not only the important evidence that can evaluation material be suitable for specific diabatic process, and carries out the master of engineer equipment thermal design
Want parameter.
Thermal conductivity measuring apparatus is a kind of important material property analysis instrument, is based on the thermally conductive principle of one way stable, works as examination
Left, the friendly two sides of sample is under different equilibrium temperatures, between two surface of hot-fluid and sample that measurement passes through sample effective heat transfer area
The temperature difference and thickness, calculation of thermal conductivity, the basic principle is that the thermal coefficient of material is measured based on Fourier's heat transfer theory,
The performance of insulation and thermal insulation material is determined by material thermal conductivity.The thermal coefficient of substance depends on the ingredient of material, gap
The factors such as environment and temperature when degree, water imbibition, water content, internal structure and heat transfer.The accurate survey of thermal coefficient
Whether fixed, it is of great significance for the exploitation and production of insulation and thermal insulation material.
Existing thermal conductivity measuring apparatus includes cabinet, and box house is provided with room temperature room, hot cell and test block, room temperature room
It is located at the two sides of the test block with hot cell, the thermal insulation of room temperature room and hot cell, test block are realized by plate of material to be detected
Inside it is provided with the clamping piece for clamping plate of material to be detected.Existing thermal conductivity measuring apparatus still has very in continuous mode
Big deficiency: being detected plate of material wide variety, and height and thickness are also inconsistent, and the clamping piece size in analyzer is solid
It is fixed so that be detected plate of material can not stable holding in analyzer, influence the thermal insulation effect between room temperature room and hot cell, influence
The measurement result of thermal coefficient.
Utility model content
The purpose of the utility model is to provide a kind of thermal conductivity measuring apparatus, clamping piece size adjustable, and having will be to be detected
Plate of material is stably fixed at the inside of analyzer, guarantees the thermal insulation effect between room temperature room and hot cell, to improve measurement result
Accuracy the advantages of.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of thermal conductivity measuring apparatus, including cabinet, the box house are provided with room temperature room, hot cell and test block, institute
It states room temperature room and hot cell and is located at the two sides of the test block, be provided in the test block for clamping plate of material to be detected
Clamping piece, the clamping piece includes upper clamp component and lower part clamping component, the upper clamp component include top the
One fixed plate, the second fixed plate of top and top movable plate, first fixed plate of top and top movable plate vertically connect
In the second fixed plate of top, the wall of first fixed plate of the top wall surface far from the top movable plate and the test block
Face abuts, and the top movable plate is slidably connected in second fixed plate of top, and the lower part clamping component includes lower part
First fixed plate, the second fixed plate of lower part and lower removable plate, first fixed plate of lower part and lower removable plate vertically connect
It connects in the second fixed plate of lower part, the lower removable plate is slidably connected in second fixed plate of lower part, the test block
Top and the upper holding part between be provided with the first regulating part for adjusting upper clamp component height, the test
The second regulating part for adjusting the spacing between the first fixed plate of top movable plate and top, the test are additionally provided in frame
The third regulating part for adjusting the spacing between the first fixed plate of lower removable plate and lower part is additionally provided in frame.
By using above-mentioned technical proposal, before carrying out Measured Results of Thermal Conductivity using the utility model, clamping piece is first used
Plate of material to be detected is fixed between room temperature room and hot cell.Plate of material to be detected is first placed on the first fixed plate of lower part under
Between portion's movable plate, the spacing between lower removable plate and the first fixed plate of lower part is adjusted by third regulating part, so that lower part
Movable plate and the first fixed plate of lower part are abutted with the two side walls of plate of material to be detected.Further according to the height of plate of material to be detected
Degree adjusts upper clamp component height by the first regulating part, so that the second fixed plate of top and the plate of material to be detected
Top wall surface abuts.The spacing between top movable plate and the first fixed plate of top is adjusted finally by the second regulating part, so that
Top movable plate and the first fixed plate of top are abutted with the two side walls of plate of material to be detected, to complete plate of material to be detected
Clamping work.Therefore the clamping piece size adjustable of the utility model, have and plate of material to be detected is stably fixed at analyzer
Inside guarantees the thermal insulation effect between room temperature room and hot cell so that not having thermally conductive gap between clamping piece and plate of material to be detected,
Thus the advantages of improving the accuracy of measurement result.
The utility model is further arranged to: first regulating part is electric pushrod, the motion bar of the electric pushrod
Extend straight down, the electric pushrod is fixedly connected on the top wall surface of the test block away from one end of the motion bar
On, it is fixedly connected at the top of the motion bar of the electric pushrod and second fixed plate of top.
By using above-mentioned technical proposal, pass through the stretching motion of the motion bar of electric pushrod, Lai Shixian upper clamp
The height of part is adjustable, achievees the effect that the clamping work for adapting to the plate of material to be detected of different height.
The utility model is further arranged to: second regulating part includes threaded rod and screw shell, the top
The bottom of two fixed plates offers rectangle sliding slot, and the threaded rod rotation is arranged in two relative walls of the rectangle sliding slot
On, one end that one end of the threaded rod is located at the outside of the rectangle sliding slot is connected with swing handle, the screw shell set
It is located on one end that the threaded rod is located in the rectangle sliding slot, the top movable plate and the fixed company of the screw shell
It connects.
By using above-mentioned technical proposal, by rotating threaded rod, so that the screw shell being set on screw rod is threadingly
The length direction of bar is mobile, so that the length direction of the upper clamp component for driving screw shell to be fixedly connected threadingly bar moves
It is dynamic, achieve the effect that adjust the spacing between top movable plate and the first fixed plate of top.
The utility model is further arranged to: the both ends of the lower removable plate are provided with swallow-tail form sliding block, under described
The both ends of the second fixed plate of portion offer the swallowtail-shaped slide for swallow-tail form sliding block sliding, and the third regulating part includes outer
Gear and the coaxially connected support shaft of the external gear and the rack gear for being slidably arranged in the swallowtail-shaped slide bottom, the branch
Support axis is rotatably arranged on the top of second fixed plate of lower part, the length side of the length direction of the support shaft and the rack gear
To vertical, the support shaft is coaxially connected with external gear, and the external gear distinguishes the rack gear engagement, and the rack gear is far from institute
The one end for stating external gear is fixedly connected with the lower removable plate, and the driving support shaft rotation is provided in the support shaft
Drive component.
By using above-mentioned technical proposal, by driving support rotating, so that the external tooth coaxially connected with support shaft
Wheel rotation drives the rack gear engaged with external gear to move along the length direction of swallowtail-shaped slide, to push under external gear rotation
Lower removable plate is mobile to the direction close to or far from the first fixed plate of lower part, reaches and adjusts lower removable plate and lower part first
The effect of spacing between fixed plate.
The utility model is further arranged to: the driving component include miniature motor, driving gear and with the branch
The coaxially connected driven gear of axis is supportted, the miniature motor is fixed at second fixed plate of lower part close to described normal
On the panel of greenhouse side, the output shaft of the miniature motor and the driving gear are coaxially connected, the driving gear with
The driven gear engagement.
By using above-mentioned technical proposal, operator drives driving gear rotation, actively by opening miniature motor
Gear is engaged with driven gear, is driven and is rotated with the coaxially connected support shaft of driven wheel, achievees the effect that drive support shaft rotation.
The utility model is further arranged to: first fixed plate of top, the second fixed plate of top, top movable plate,
The surface of the first fixed plate of lower part, the second fixed plate of lower part and lower removable plate is all covered with thermal insulative board made of rock wool.
By using above-mentioned technical proposal, achieve the effect that prevent clamping piece thermally conductive to a certain extent.
The utility model is further arranged to: being provided with hermatic door on the side wall of test block described in the cabinet face.
By using above-mentioned technical proposal, achieve the effect that operator is facilitated to adjust clamping piece.
The utility model is further arranged to: being provided with observation window on the hermatic door.
By using above-mentioned technical proposal, reach the effect for facilitating operator to observe box house situation during the test
Fruit.
In conclusion the advantageous effects of the utility model are as follows:
1. the clamping piece size adjustable of the utility model has and plate of material to be detected is stably fixed in analyzer
Portion guarantees the thermal insulation effect between room temperature room and hot cell, thus the advantages of improving the accuracy of measurement result；
2. being provided with observation window on the hermatic door of the utility model, operator is facilitated to observe cabinet during the test
Inner case.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is that the utility model hides the structural schematic diagram after hermatic door.
Fig. 3 is the partial sectional view that the utility model is used to show the second regulating part.
Fig. 4 is the partial enlargement diagram of part A in Fig. 3.
Fig. 5 is the partial sectional view of the utility model.
Fig. 6 is the partial enlargement diagram of part B in Fig. 5.
In figure, 1, cabinet；11, room temperature room；12, hot cell；13, test block；14, hermatic door；141, observation window；2, it clamps
Part；21, upper clamp component；211, the first fixed plate of top；212, the second fixed plate of top；2121, rectangle sliding slot；213, on
Portion's movable plate；22, lower part clamps component；221, the first fixed plate of lower part；222, the second fixed plate of lower part；2221, swallow-tail form is sliding
Slot；223, lower removable plate；2231, swallow-tail form sliding block；3, electric pushrod；4, the second regulating part；41, threaded rod；411, it rotates
Handle；42, screw shell；5, third regulating part；51, external gear；52, support shaft；53, rack gear；6, component is driven；61, small-sized
Motor；62, driving gear；63, driven gear.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Fig.1,2, it is a kind of thermal conductivity measuring apparatus disclosed by the utility model, including cabinet 1, is set inside cabinet 1
It is equipped with room temperature room 11, hot cell 12 and test block 13, room temperature room 11 and hot cell 12 are located at the two sides of test block 13, test block 13
Inside it is provided with the clamping piece 2 for clamping plate of material to be detected.Hermatic door is provided on the side wall of 1 face test block 13 of cabinet
14, observation window 141 is provided on hermatic door 14, operator places material to be detected and adjustment by opening hermatic door 14
Clamping piece 2, during the test, operator observe 1 inner case of cabinet by observation window 141.Upper clamp component 21
Including the first fixed plate of top 211, the second fixed plate of top 212 and top movable plate 213, the first fixed plate of top 211 and on
Portion's movable plate 213 is vertically connected in the second fixed plate of top 212, and the first fixed plate of top 211 is far from top movable plate 213
Wall surface abutted with the wall surface of test block 13, top movable plate 213 is slidably connected in the second fixed plate of top 212, lower part folder
Holding component 22 includes the first fixed plate of lower part 221,222 lower removable plate 223 of the second fixed plate of lower part, the first fixed plate of lower part
221 and lower removable plate 223 be vertically connected in the second fixed plate of lower part 222, lower removable plate 223 is slidably connected at lower part
In second fixed plate 222.The first fixed plate of top 211, the second fixed plate of top 212, top movable plate 213, lower part first are solid
The surface of fixed board 221, the second fixed plate of lower part 222 and lower removable plate 223 is all covered with thermal insulative board made of rock wool.Test block
The electric pushrod 3 for adjusting 21 height of upper clamp component is provided between 13 top and upper holding part 2.
Referring to Fig. 3,4, it is additionally provided in test block 13 for adjusting top movable plate 213 and the first fixed plate of top 211
Between spacing the second regulating part 4, the second regulating part 4 include threaded rod 41 and screw shell 42, the second fixed plate of top 212
Bottom offer rectangle sliding slot 2121, the rotation of threaded rod 41 is arranged on two relative walls of rectangle sliding slot 2121, screw thread
One end that one end of bar 41 is located at the outside of rectangle sliding slot 2121 is connected with swing handle 411, and screw shell 42 is set in screw thread
Bar 41 is located on one end in rectangle sliding slot 2121, and top movable plate 213 is fixedly connected with screw shell 42.By rotating screw thread
Bar 41, so that the length direction of the screw shell 42 being set on screw rod bar threadingly bar 41 is mobile, to drive screw shell
The length direction of the 42 upper clamp components 21 being fixedly connected threadingly bar 41 is mobile, adjusts top movable plate 213 and top the
Spacing between one fixed plate 211.
Referring to Fig. 5,6, it is additionally provided in test block 13 for adjusting lower removable plate 223 and the first fixed plate of lower part 221
Between spacing third regulating part 5.The both ends of lower removable plate 223 are provided with swallow-tail form sliding block 2231, and lower part second is solid
The both ends of fixed board 222 offer the swallowtail-shaped slide 2221 slided for swallow-tail form sliding block 2231, and third regulating part 5 includes external gear
51, with the coaxially connected support shaft 52 of external gear 51 and be slidably arranged in the rack gear 53 of 2221 bottom of swallowtail-shaped slide, support shaft
52 are rotatably arranged on the top of the second fixed plate, and the length direction of support shaft 52 is vertical with the length direction of rack gear 53, support shaft
52 are coaxially connected with external gear 51, and external gear 51 is distinguished rack gear 53 and engaged, the one end of rack gear 53 far from external gear 51 and activity
Plate is fixedly connected, and the driving component 6 that driving support shaft 52 rotates is provided in support shaft 52.Driving component 6 includes small-sized electric
Machine 61, driving gear 62 and the driven gear 63 coaxially connected with support shaft 52, miniature motor 61 are fixed at lower part
On the panel of 11 side of near ambient temperature room, output shaft and the driving gear 62 of miniature motor 61 coaxially connect second fixed plate 222
It connects, driving gear 62 is engaged with driven gear 63.Operator drives 62 turns of driving gear by opening miniature motor 61
Dynamic, driving gear 62 is engaged with driven gear 63, is driven and is rotated with the coaxially connected support shaft 52 of driven wheel, drives support shaft 52
Rotation, so that the external gear 51 coaxially connected with support shaft 52 rotates, under external gear 51 rotates, drive is nibbled with external gear 51
The rack gear 53 of conjunction is moved along the length direction of swallowtail-shaped slide 2221, to push lower removable plate 223 to close or separate
The direction of the first fixed plate of lower part 221 is mobile, adjusts the spacing between lower removable plate 223 and the first fixed plate of lower part 221.
The implementation principle of the present embodiment are as follows: before carrying out Measured Results of Thermal Conductivity using the utility model, first use clamping piece 2
Plate of material to be detected is fixed between room temperature room 11 and hot cell 12.Plate of material to be detected is first placed on the first fixed plate of lower part
Between 221 and lower removable plate 223.It is then turned on miniature motor 61, so that support shaft 52 rotates, the gear in support shaft 52
Rack gear 53 is pushed, to keep lower removable plate 223 mobile to the direction close to or far from the first fixed plate of lower part 221, is adjusted
Spacing between lower removable plate 223 and the first fixed plate of lower part 221, so that the first fixed plate of lower removable plate 223 and lower part
221 abut with the two side walls of plate of material to be detected.Further according to the height of plate of material to be detected, adjusted by electric pushrod 3
21 height of upper clamp component, so that the second fixed plate of top 212 is abutted with the top wall surface of plate of material to be detected.Finally by
The spacing between the adjusting of threaded rod 41 top folder movable plate and the first fixed plate of top 211 is rotated, so that 213 He of top movable plate
The first fixed plate of top 211 is abutted with the two side walls of plate of material to be detected, to complete the clamping work of plate of material to be detected
Make.2 size adjustable of clamping piece of the utility model has the inside that plate of material to be detected is stably fixed to analyzer, so that
There is no thermally conductive gap between clamping piece 2 and plate of material to be detected, guarantees the thermal insulation effect between room temperature room 11 and hot cell 12, thus
The advantages of improving the accuracy of measurement result.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of thermal conductivity measuring apparatus, including cabinet (1), the cabinet (1) is internally provided with room temperature room (11), hot cell (12)
And test block (13), the room temperature room (11) and hot cell (12) are located at the two sides of the test block (13), the test block
(13) clamping piece (2) for clamping plate of material to be detected is provided in, it is characterised in that: the clamping piece (2) includes top
Clamp component (21) and lower part clamping component (22), the upper clamp component (21) include the first fixed plate of top (211), on
The second fixed plate of portion (212) and top movable plate (213), first fixed plate of top (211) and top movable plate (213) are equal
It is vertically connected in the second fixed plate of top (212), first fixed plate of top (211) is far from the top movable plate
(213) wall surface is abutted with the wall surface of the test block (13), and the top movable plate (213) is slidably connected at the top
In two fixed plates (212), lower part clamping component (22) includes the first fixed plate of lower part (221), the second fixed plate of lower part
(222) and lower removable plate (223), first fixed plate of lower part (221) and lower removable plate (223) are vertically connected on down
In the second fixed plate of portion (222), the lower removable plate (223) is slidably connected on second fixed plate of lower part (222), institute
It states and is provided between the top of test block (13) and the upper clamp component (21) for adjusting upper clamp component (21) height
First regulating part of degree, interior be additionally provided with of the test block (13) are fixed for adjusting top movable plate (213) and top first
The second regulating part (4) of spacing between plate (211), the test block (13) is interior to be additionally provided with for adjusting lower removable plate
(223) the third regulating part (5) of the spacing between the first fixed plate of lower part (221).
2. a kind of thermal conductivity measuring apparatus according to claim 1, it is characterised in that: first regulating part is electronic pushes away
The motion bar of bar (3), the electric pushrod (3) extends straight down, and the electric pushrod (3) deviates from one end of the motion bar
It is fixedly connected on the top wall surface of the test block (13), the motion bar of the electric pushrod (3) and the top second are solid
Fixed board is fixedly connected at the top of (212).
3. a kind of thermal conductivity measuring apparatus according to claim 1, it is characterised in that: second regulating part (4) includes
The bottom of threaded rod (41) and screw shell (42), second fixed plate of top (212) offers rectangle sliding slot (2121), institute
It states threaded rod (41) rotation to be arranged on two relative walls of the rectangle sliding slot (2121), one end of the threaded rod (41)
One end positioned at the outside of the rectangle sliding slot (2121) is connected with swing handle (411), and the screw shell (42) is set in
The threaded rod (41) is located on one end in the rectangle sliding slot, the top movable plate (213) and the screw shell
(42) it is fixedly connected.
4. a kind of thermal conductivity measuring apparatus according to claim 1, it is characterised in that: the lower removable plate (223)
Bottom is provided with swallow-tail form sliding block (2231), is offered on second fixed plate of lower part (222) for the swallow-tail form sliding block
(2231) swallowtail-shaped slide (2221) slided, the third regulating part (5) include external gear (51) and the external gear (51)
Coaxially connected support shaft (52) and the rack gear (53) for being slidably arranged in the swallowtail-shaped slide (2221) bottom, the support shaft
(52) top of second fixed plate of lower part (222), the length direction and the tooth of the support shaft (52) are rotatably arranged on
The length direction of item (53) is vertical, and the support shaft (52) is coaxially connected with external gear (51), and the external gear (51) is respectively
Rack gear (53) engagement, one end and the lower removable plate (223) far from the external gear (51) of the rack gear (53) are solid
It is fixed to connect, the driving component (6) for driving support shaft (52) rotation is provided on the support shaft (52).
5. a kind of thermal conductivity measuring apparatus according to claim 4, it is characterised in that: the driving component (6) includes small
Type motor (61), driving gear (62) and the driven gear (63) coaxially connected with the support shaft (52), the small electrical
Motivation (61) is fixed at second fixed plate of lower part (222) on the panel of room temperature room (11) side, institute
Output shaft and the driving gear (62) for stating miniature motor (61) are coaxially connected, the driving gear (62) with it is described driven
Gear (63) engagement.
6. a kind of thermal conductivity measuring apparatus according to claim 1, it is characterised in that: first fixed plate of top
(211), the second fixed plate of top (212), top movable plate (213), the first fixed plate of lower part (221), the second fixed plate of lower part
(222) and the surface of lower removable plate (223) is all covered with thermal insulative board made of rock wool.
7. a kind of thermal conductivity measuring apparatus according to claim 1, it is characterised in that: surveyed described in cabinet (1) face
It tries to be provided with hermatic door (14) on the side wall of frame (13).
8. a kind of thermal conductivity measuring apparatus according to claim 7, it is characterised in that: be provided on the hermatic door (14)
Observation window (141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821963103.8U CN209280616U (en) | 2018-11-26 | 2018-11-26 | A kind of thermal conductivity measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821963103.8U CN209280616U (en) | 2018-11-26 | 2018-11-26 | A kind of thermal conductivity measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209280616U true CN209280616U (en) | 2019-08-20 |
Family
ID=67602745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821963103.8U Expired - Fee Related CN209280616U (en) | 2018-11-26 | 2018-11-26 | A kind of thermal conductivity measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209280616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238957A (en) * | 2020-04-08 | 2020-06-05 | 黄河科技学院 | Al-based binary intermetallic compound thermodynamic property experimental device |
-
2018
- 2018-11-26 CN CN201821963103.8U patent/CN209280616U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238957A (en) * | 2020-04-08 | 2020-06-05 | 黄河科技学院 | Al-based binary intermetallic compound thermodynamic property experimental device |
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Granted publication date: 20190820 Termination date: 20201126 |