CN208315042U - Air heat engine experiment instrument - Google Patents
Air heat engine experiment instrument Download PDFInfo
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- CN208315042U CN208315042U CN201721687354.3U CN201721687354U CN208315042U CN 208315042 U CN208315042 U CN 208315042U CN 201721687354 U CN201721687354 U CN 201721687354U CN 208315042 U CN208315042 U CN 208315042U
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- Prior art keywords
- glass tube
- outer glass
- heating
- temperature
- temperature measuring
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- 238000002474 experimental method Methods 0.000 title claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 67
- 239000011521 glass Substances 0.000 claims abstract description 60
- 239000002184 metal Substances 0.000 claims abstract description 41
- 229910052751 metal Inorganic materials 0.000 claims abstract description 41
- 239000011796 hollow space material Substances 0.000 claims abstract description 10
- 239000011810 insulating material Substances 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 239000012774 insulation material Substances 0.000 claims 1
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 238000005457 optimization Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 7
- 238000009529 body temperature measurement Methods 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
For existing product high-temperature region there are structure processing is cumbersome, and the defect of rapid wear, unfavorable long-time service, the utility model provide a kind of air heat engine experiment instrument.This product includes outer glass tube, heating temperature measuring equipment, and heating temperature measuring equipment is front opening and hollow cylindrical member, and the hollow space of heating temperature measuring equipment is protruded into the closing of outer glass tube temperature end；The heating member and temperature measuring element for heating temperature measuring equipment are located at outer glass tube outer periphery and are located in heating temperature measuring equipment shell.The optimization structure of product further includes heat-conducting metal block, and the camber depression of heat-conducting metal block leading flank is close to outer glass tube temperature end bottom, and temperature end temperature sensor is installed in camber depression mider hole.The hollow portion that the outer glass tube temperature end of this product protrudes into heating temperature measuring equipment makes temperature end workspace become a relatively closed external form, and terminal with compact integral structure is compact；The conduction of temperature end workspace temperature field is rapid, stablizes, and temperature data quality is high；Temperature end workspace heat energy utilization is horizontal high, and product energy consumption is low.
Description
Technical field
The utility model relates to a kind of teaching thermodynamics experiment instrument, more particularly to a kind of air heat engine experiment instrument,
Belong to machinery field.
Background technique
Heat engine is the machine for converting heat energy into mechanical energy, and air heat engine is most ancient one of heat engine.Currently, air is warm
Machine, convenient for helping to understand the important content in the thermodynamics such as heat engine principle and Carnot cycle, is widely used because its structure is simple
In calorifics laboratory teaching.
In the basic structure of existing air heat engine experiment instrument high-temperature region, the thermometric of temperature end is carried out in outer glass tube.It is logical
Progress temperature measurement is probeed into outer glass tube temperature end frequently with by sensor, thus outer glass tube need to be punched, and by sensor work
It is protruded into as end and is subject to sealing-in in hole again.Such structure is likely to occur sealing-in failure, hardly possible after sensor degradation after long-term use
The problems such as to replace.
Utility model content
The purpose of this utility model provides a kind of air heat engine experiment instrument, the experiment aiming at the deficiencies in the prior art
The temperature end measurement of instrument carries out outside outer glass tube, it is not necessary to which external glass tube walls carry out destructive procedure and can obtain meeting experiment and wanting
The hot-side temperature data asked.
To achieve the above object, the technical solution of the utility model is as follows:
A kind of air heat engine experiment instrument, including outer glass tube, heating temperature measuring equipment, it is characterised in that: the heating thermometric dress
Setting is front opening and hollow cylindrical member；The outer glass tube temperature end closing, protrudes into the hollow space of heating temperature measuring equipment；Add
The heating member and temperature measuring element of hot temperature measuring equipment are located at outer glass tube outer periphery and are located in heating temperature measuring equipment shell.
Above-mentioned air heat engine experiment instrument, for heating temperature measuring equipment overall structure similar to the sleeve of endcapped, interior includes adding
Warmware and temperature measuring element.Heating temperature measuring equipment covers outside outer glass tube temperature end, makes to heat and measure high temperature all in the condition of non-opening
Lower progress.
In the optimization design of above-mentioned air heat engine experiment instrument, the heating member, temperature measuring element and outer glass tube of temperature measuring equipment are heated
Spacing 0mm~5mm.In this way, outer glass tube temperature end and heating temperature measuring equipment constitute an intimate closed temperature end workspace, protect
Card heating is completed under intimate closed stable condition with measurement high temperature, is reduced outside air interference, is improved the high temperature number of acquisition
According to quality.
Further, the temperature measuring element for heating temperature measuring equipment is temperature end temperature sensor, the work of temperature end temperature sensor
Make end and is located at outer glass tube temperature end bottom outside.In this way, the working end of temperature end temperature sensor close to temperature end due to working
The inner space in area, and located immediately at temperature end bottom, thus temperature measurement is more acurrate.Advanced optimizing design is high temperature
Hold working end and the outer glass tube spacing 0mm~5mm of temperature sensor；Between the heating member outer glass tube outer periphery for heating temperature measuring equipment
Away from 0mm~5mm.
Using above-mentioned air heat engine experiment instrument as basic structure, the utility model further provides for its optimizing structure design.Tool
Body is that heating temperature measuring equipment includes heat-conducting metal block, and heat-conducting metal block leading flank has camber depression, has hole in the middle part of camber depression,
Camber depression is close to outer glass tube temperature end bottom；Temperature end temperature sensor working end is located in hole.In this optimization design,
Heating temperature measuring equipment increases heat-conducting metal block and its camber depression is tightly attached to outer glass tube temperature end bottom, utilizes metal heat conduction
Performance ratio (in temperature end workspace) air more excellent feature obtains outer glass tube temperature end in a heated state more quickly
Temperature condition.Meanwhile temperature end temperature sensor working end being mounted in heat-conducting metal block, allow to more steady at one
Temperature collection data in fixed temperature field.
Further, heating member includes ring-shaped pottery part, ring-shaped pottery part cover outer glass tube periphery and with outer glass tube spacing
0mm~5mm；There is electric heating wire in ring-shaped pottery part inner wall mounting groove；Heat-conducting metal block is located at ring-shaped pottery part hollow space
Rear end.In this design, the heating member for heating temperature measuring equipment is designed as ring-type, and it is uniform that hollow part is wrapped in outer glass tube periphery
Heating, and ring-shaped pottery part and outer glass tube spacing 0mm~5mm, fully ensure that the thermal stability inside temperature end workspace.It is thermally conductive
It is close to outer glass tube bottom and carries out heat transfer in the rear end that metal block is located at ring-shaped pottery part hollow space.
Further, heat-conducting metal block is round block part, outer diameter is 6mm smaller than ring-shaped pottery part hollow space diameter~
10mm；Outer glass tube, heat-conducting metal block, ring-shaped pottery part are coaxial；Hole is located at heat-conducting metal block center.The optimization design, thermally conductive gold
Belonging to block is round and is slightly less than ring-shaped pottery part hollow space diameter, is equivalent to and collectively forms an outer glass tube temperature end and be placed in it
In enclosure space.The temperature data that hole inner sensor working end obtains is more acurrate.
Further, heating temperature measuring equipment shell includes preceding ring cover, circular casing, rear cover mutually immediately, paving in shell
Serve as a contrast heat preserving and insulating material.
The above-mentioned further optimization design of air heat engine experiment instrument is: heat-conducting metal block is fixed on rear cover leading flank, is led
Small pieces of cloth used for patches heat preserving and insulating material between thermometal block and rear cover；Ring-shaped pottery part is fixed on preceding ring cover, on trailing flank；Ring-shaped pottery
Wrap up heat preserving and insulating material in part periphery.The structure keeps experiment instrument overall structure more compact, is easily assembled.
To arrange to be electrically connected in temperature end workspace, generally, heat-conducting metal block trailing flank is provided with the wire casing for laying conducting wire,
Conducting wire connects high temperature end sensor；The mounting groove that the conducting wire of heating temperature measuring equipment covers after extends to outside rear cover.
Generally, heat-conducting metal block is copper fitting.Heat preserving and insulating material；It is ceramic material and/or asbestos material.
Compared with prior art, the utility model has the beneficial effects that the outer glass tube temperature end of (1) experiment instrument protrudes into heating
The hollow portion of temperature measuring equipment makes temperature end workspace become a relatively closed external form, and experiment instrument structure is more succinct.Outer glass tube
Temperature end is completely enclosed, and high temperature end sensor is placed in the heating thermometric space that outer glass tube bottom is almost closed, and avoids externally
A series of problems brought by destructive processing, sensor sealing-in processing and the packaging plastic aging of glass-tube.(2) experiment instrument makes
Used time, since temperature end workspace approximation is closed, in outer glass tube temperature end, heating member, temperature measuring element, heat-conducting metal block can be with
The temperature environment common, stable in one avoids influence of the outside air disturbance to thermometric.Meanwhile it adding thermally conductive
Metal block provides the quick formation at temperature end working sensor end and stable temperature field, improves temperature data quality.(3)
In approximate closed temperature end workspace, the heating of uniform fold formula is realized since annular-heating portion is linked in outer glass tube temperature end,
And temperature end working sensor end is in the metal temperature field of outer glass tube temperature end bottom, thus temperature end workspace heat
Effect is higher, can greatly reduce the input power of heating member power supply, reduces energy consumption.
Detailed description of the invention
Fig. 1 is air heat engine experiment instrument overall structure diagram.
Fig. 2 is one outer glass tube of embodiment and heating temperature measuring equipment partial structural diagram schematic diagram.
Fig. 3 is heating temperature measuring equipment overall structure figure.
Fig. 4 is heating temperature measuring equipment leading flank figure.
Fig. 5 is Fig. 4 A-A cut-away view.
Fig. 6 is 22 structural schematic diagram of heat-conducting metal block.
Fig. 7 is partial component positional diagram.
Numeral mark in attached drawing is respectively:
1 outer glass tube, 11 temperature end 2 heats 21 temperature end temperature sensor of temperature measuring equipment, 22 heat-conducting metal block, 221 camber depression
28 heat preserving and insulating material of ring cover 26 circular casing, 27 rear cover, 29 conducting wire before 222 hole, 23 ring-shaped pottery part, 24 electric heating wire 25
Specific embodiment
With reference to the accompanying drawing, the preferred embodiment of the utility model is further described.
It should be noted that unless otherwise clearly defined and limited, term " setting " shall be understood in a broad sense, for example, can
To be to be fixedly connected, may be a detachable connection, or be integrally connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected.For the ordinary skill in the art, concrete condition can be regarded and understand that above-mentioned term is created in the present invention
Concrete meaning in making.
In addition, it should be noted that, the orientation such as following inner and outers mentioned, front and rear end, front side and rear side are
For annular-heating portion structure either whole device structure.For the ordinary skill in the art, may be used
To understand concrete meaning of the above-mentioned term in the invention depending on concrete condition.
Embodiment one
As shown in FIG. 1 to FIG. 2, the utility model air heat engine experiment instrument product is processed.
Fig. 1 is air heat engine experiment instrument overall structure diagram.Air heat engine experiment instrument includes outer glass tube 1, heating thermometric
Device 2, heating temperature measuring equipment 2 are front opening and hollow cylindrical member；The closing of 1 temperature end 11 of outer glass tube, protrudes into heating thermometric
The hollow space of device 2；The heating member and temperature measuring element for heating temperature measuring equipment 2, which are located at 1 outer periphery of outer glass tube and are located at heating, to be surveyed
In warm 2 shell of device.
Fig. 2 is outer glass tube and heating temperature measuring equipment partial structural diagram.The temperature measuring element for heating temperature measuring equipment 2 is temperature end
Temperature sensor 21, the working end of temperature end temperature sensor 21 are located at 1 temperature end of outer glass tube, 11 bottom outside.
In present embodiment, the working end of temperature end temperature sensor 21 and 1 spacing 3mm of outer glass tube；Heat temperature measuring equipment 2
1 outer periphery spacing 3mm of heating member outer glass tube.
Embodiment two
As shown in Fig. 3~Fig. 7, the utility model air heat engine experiment instrument product is processed, is the same as example 1 place
It is not repeated.
Fig. 3 is heating temperature measuring equipment overall structure figure, and Fig. 4 is heating temperature measuring equipment leading flank figure, and Fig. 5 is that Fig. 4 A-A is cutd open and shown
Figure, Fig. 6 is 22 structural schematic diagram of heat-conducting metal block, and Fig. 7 is partial component positional diagram.It is not drawn out in Fig. 3~Fig. 5
Outer glass tube 1, but Fig. 1,2 is combined to be appreciated that its position.
Heating temperature measuring equipment 2 includes heat-conducting metal block 22, and 22 leading flank of heat-conducting metal block has camber depression 221, and camber is recessed
There is hole 222 in the middle part of cave 221, camber depression 221 is close to 1 temperature end of outer glass tube, 11 bottom；Temperature end temperature sensor 21 works
End is located in hole 222.
Heating member includes ring-shaped pottery part 23,23 sets of ring-shaped pottery part 1 periphery of outer glass tube and with 1 spacing 0mm of outer glass tube
~5mm；There is electric heating wire 24 in 23 inner wall mounting groove of ring-shaped pottery part；Heat-conducting metal block 22 is located at 23 hollow portion of ring-shaped pottery part
The rear end divided.
Heat-conducting metal block 22 is round block part, and outer diameter is about 8mm smaller than 23 hollow space diameter of ring-shaped pottery part；Outer glass tube 1,
Heat-conducting metal block 22, ring-shaped pottery part 23 are coaxial；Hole 222 is located at 22 center of heat-conducting metal block.
Heating 2 shell of temperature measuring equipment includes preceding ring cover 25, circular casing 26, rear cover 27 mutually immediately, small pieces of cloth used for patches in shell
Heat preserving and insulating material 28.Heat-conducting metal block 22 is fixed on 27 leading flank of rear cover, small pieces of cloth used for patches between heat-conducting metal block 22 and rear cover 27
Heat preserving and insulating material 28；Ring-shaped pottery part 23 is fixed on preceding ring cover 25, on trailing flank；The package heat preservation of 23 periphery of ring-shaped pottery part
Heat-barrier material 28.
To realize that the necessary electrical connection of heating temperature measuring equipment 2 and experiment instrument are powered, in present embodiment, heat-conducting metal block 22
Trailing flank is provided with the wire casing for laying conducting wire 29, and conducting wire 29 connects high temperature end sensor 21；The conducting wire 29 of temperature measuring equipment 2 is heated after
Mounting groove on lid 27 extends to outside rear cover 27.Heat-conducting metal block 22 is copper fitting.Heat preserving and insulating material 28 be ceramic material and/
Or asbestos material.
Above-described embodiment is the preferred embodiment of the invention, is not the limit to the invention technical solution
System, as long as being regarded as falling into without the technical solution that creative work can be realized on the basis of the above embodiments
In the rights protection scope of the invention.
Claims (10)
1. a kind of air heat engine experiment instrument, including outer glass tube (1), heating temperature measuring equipment (2), it is characterised in that: the heating is surveyed
Warm device (2) is front opening and hollow cylindrical member；Heating thermometric dress is protruded into outer glass tube (1) temperature end (11) closing
Set the hollow space of (2)；The heating member and temperature measuring element for heating temperature measuring equipment (2) are located at outer glass tube (1) outer periphery and are located at and add
In hot temperature measuring equipment (2) shell.
2. air heat engine experiment instrument according to claim 1, it is characterised in that: the heating of heating temperature measuring equipment (2)
Part, temperature measuring element and outer glass tube (1) spacing 0mm~5mm.
3. air heat engine experiment instrument according to claim 1, it is characterised in that: the thermometric of heating temperature measuring equipment (2)
Part is temperature end temperature sensor (21), and the working end of temperature end temperature sensor (21) is located at outer glass tube (1) temperature end (11)
Bottom outside.
4. air heat engine experiment instrument according to claim 3, it is characterised in that: the temperature end temperature sensor (21)
Working end and outer glass tube (1) spacing 0mm~5mm；Between heating member outer glass tube (1) outer periphery of heating temperature measuring equipment (2)
Away from 0mm~5mm.
5. air heat engine experiment instrument according to claim 1 or 3, it is characterised in that: the heating temperature measuring equipment (2) includes
Heat-conducting metal block (22), heat-conducting metal block (22) leading flank have camber depression (221), have hole in the middle part of camber depression (221)
(222), camber depression (221) is close to outer glass tube (1) temperature end (11) bottom；Temperature end temperature sensor (21) work
End is located in hole (222).
6. air heat engine experiment instrument according to claim 5, it is characterised in that: the heating member includes ring-shaped pottery part
(23), the ring-shaped pottery part (23) cover outer glass tube (1) periphery and with outer glass tube (1) spacing 0mm~5mm；The cyclic annular pottery
There are electric heating wire (24) in porcelain piece (23) inner wall mounting groove；The heat-conducting metal block (22) is located at ring-shaped pottery part (23) hollow portion
The rear end divided.
7. air heat engine experiment instrument according to claim 6, it is characterised in that: the heat-conducting metal block (22) is circular block
Part, outer diameter are 6mm~10mm smaller than ring-shaped pottery part (23) hollow space diameter；The outer glass tube (1), heat-conducting metal block (22),
Ring-shaped pottery part (23) is coaxial；The hole (222) is located at heat-conducting metal block (22) center.
8. air heat engine experiment instrument according to claim 7, it is characterised in that: heating temperature measuring equipment (2) the shell packet
Include preceding ring cover (25), circular casing (26), rear cover (27) mutually immediately, small pieces of cloth used for patches heat preserving and insulating material (28) in shell.
9. air heat engine experiment instrument according to claim 8, it is characterised in that: after the heat-conducting metal block (22) is fixed on
It covers on (27) leading flank, small pieces of cloth used for patches heat preserving and insulating material (28) between heat-conducting metal block (22) and rear cover (27)；The ring-shaped pottery
Part (23) is fixed on preceding ring cover (25), on trailing flank；Wrap up heat preserving and insulating material (28) in ring-shaped pottery part (23) periphery.
10. air heat engine experiment instrument according to claim 9, it is characterised in that: heat-conducting metal block (22) trailing flank
It is provided with the wire casing for laying conducting wire (29), conducting wire connects high temperature end sensor (21)；The conducting wire (29) of heating temperature measuring equipment (2)
Rear cover (27) is extended to outside through the mounting groove on rear cover (27)；The heat-conducting metal block (22) is copper fitting；The insulation
Material (28) is ceramic material and/or asbestos material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721687354.3U CN208315042U (en) | 2017-12-07 | 2017-12-07 | Air heat engine experiment instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721687354.3U CN208315042U (en) | 2017-12-07 | 2017-12-07 | Air heat engine experiment instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208315042U true CN208315042U (en) | 2019-01-01 |
Family
ID=64731614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721687354.3U Active CN208315042U (en) | 2017-12-07 | 2017-12-07 | Air heat engine experiment instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208315042U (en) |
-
2017
- 2017-12-07 CN CN201721687354.3U patent/CN208315042U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 309, NanEr Road, Chengdu Economic and Technological Development Zone (Longquanyi District), Chengdu, Sichuan 610100 Patentee after: SICHUAN SHIJI ZHONGKE PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Country or region after: China Address before: No. 309, south 2nd Road, Chengdu Economic and Technological Development Zone (Longquanyi District), Sichuan 610100 Patentee before: SICHUAN SHIJI ZHONGKE PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Country or region before: China |