CN219590993U - Improved convection and radiation comprehensive heat transfer experiment demonstration device - Google Patents
Improved convection and radiation comprehensive heat transfer experiment demonstration device Download PDFInfo
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- CN219590993U CN219590993U CN202320628059.XU CN202320628059U CN219590993U CN 219590993 U CN219590993 U CN 219590993U CN 202320628059 U CN202320628059 U CN 202320628059U CN 219590993 U CN219590993 U CN 219590993U
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- 230000005855 radiation Effects 0.000 title claims abstract description 25
- 238000012546 transfer Methods 0.000 title claims abstract description 22
- 238000002474 experimental method Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims description 56
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000009529 body temperature measurement Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model discloses an improved convection and radiation comprehensive heat transfer experiment demonstration device, which relates to the technical field of fixed equipment, and adopts the technical scheme that the device comprises a main control unit and an experiment unit; the main control unit comprises a support shell, a touch screen display screen is arranged on one side of the support shell, and a plurality of thermocouple interfaces which are linearly arranged are arranged below the touch screen display screen. The beneficial effects of the utility model are as follows: the device can detect effectively whether the high-voltage cabinet is internal electrified, avoids the danger of artificial observation and operation, can very big reduction incident's emergence, ensure electromechanical installation and maintainer's life safety, the device is internal to be illuminated through lighting element, adjustment mechanism is used for adjusting the position of checking the electric needle, is convenient for check the electric to the high-voltage cabinet internal and tests the electric, has improved the practicality of device.
Description
Technical Field
The utility model relates to the technical field of experimental equipment, in particular to an improved convection and radiation comprehensive heat transfer experimental demonstration device.
Background
The heat exchange device is widely used in industry and life, and the heat exchange modes mainly comprise convection heat exchange and radiation heat exchange. At present, an experimental device is lacking to verify the heat convection and heat radiation comprehensive heat transfer rule, and demonstrate the heat convection heat transfer rule and the Stefan Boltzmann law in heat radiation.
How to solve the technical problems is the subject of the present utility model.
Disclosure of Invention
In order to achieve the aim of the utility model, the utility model provides an improved convection and radiation comprehensive heat transfer experiment demonstration device aiming at the technical problems.
The technical scheme is that the system comprises a main control unit and an experimental unit;
the main control unit comprises a support shell, a touch screen display screen is arranged on one side of the support shell, a plurality of thermocouple interfaces which are linearly arranged are arranged below the touch screen display screen, a power switch, a fuse switch and a heating control knob are arranged on one side of the touch screen display screen, a data card interface is arranged on one side of the heating control knob, a fan control switch and a heating control switch are arranged on one side of the thermocouple interfaces, and an anemometer interface, a heating wire interface, a fan external interface, a first power wire interface and a second power wire interface are sequentially arranged on the back side of the support shell;
the main control unit is electrically connected with the experimental unit, the experimental unit comprises a first fixed plate, the upper surface of the first fixed plate is fixedly connected with an axial flow fan, the axial flow fan is fixedly communicated with an air duct, the air duct is sequentially provided with a temperature measuring point, an anemometer and a heating rod from bottom to top, one side of the axial flow fan is fixedly communicated with a throttle valve, a throttle valve control knob and a throttle valve opening scale are arranged on the throttle valve, and a plurality of linearly arranged heat dissipation holes are formed in the back side of the support shell.
The support shell lower surface four corners all is provided with first lower margin, first fixed plate lower surface four corners all is provided with the second lower margin.
Handles are fixedly connected to two sides of the upper surface of the first fixing plate.
The surface of the heating rod is provided with a matte black coating, and the heating rod is fixed on the air duct through a fixing buckle.
The heating rod is provided with scales.
And thermocouples matched with the thermocouple interfaces are arranged on one sides of the heating rods and the temperature measuring points.
The air speed indicator interface is electrically connected with the air speed indicator through a power line, the heating wire interface is electrically connected with the heating rod through a power line, the fan external interface is electrically connected with the axial flow fan through the power line, the first power line interface is electrically connected with the temperature measuring point through the power line, and the second power line interface is externally connected with a power supply.
The technical scheme provided by the embodiment of the utility model has the beneficial effects that: the device has ingenious design and simple operation, can verify the heat transfer rule of heat convection and heat radiation, demonstrates the Stefan Boltzmann law in heat radiation, provides the heat source for the heating rod through the power switch, the heating control switch, the fuse switch, the thermocouple interface, the heating control knob, the heating switch and the fan control switch for providing the power supply, the load protection, the current and voltage and other parameter adjustment for carrying out different heat transfer experiments, the touch screen display screen can display the current, the voltage, the wind speed and other parameters, and the main control unit controls the heat transfer rule for verifying the heat radiation and the heat convection simultaneously and the influence of natural convection and forced convection on the heat convection, the heating control switch is started to regulate and control heating power through the heating control knob 7, the surface of the heating rod is covered with a matte black coating to simulate the blackbody emission surface in the heat radiation process, the heating rod is connected with the thermocouple through the thermocouple interface and displays temperature in real time through the touch screen display screen, meanwhile, the anemograph can measure the airflow velocity of airflow in the air duct, the result is digitally displayed on the touch screen display screen, the air quantity of the axial flow fan is adjustable, the temperature measuring point is used for measuring the temperature of the airflow entering the air duct through the rotary throttle control knob, the heat convection coefficient can be calculated through the difference between the temperature measuring point and the thermocouple of the heating rod, the comprehensive heat transfer rule of heat convection and heat radiation is verified, the air quantity is controlled through the throttle control knob, and the air quantity is accurately regulated and controlled through the throttle opening scale.
Drawings
Fig. 1 is a schematic structural diagram of a master control unit according to an embodiment of the utility model.
Fig. 2 is a schematic diagram of a master control unit according to an embodiment of the utility model.
Fig. 3 is a schematic structural diagram of an experimental unit according to an embodiment of the utility model.
Fig. 4 is a schematic diagram of a second experimental unit according to an embodiment of the utility model.
Wherein, the reference numerals are as follows: 1. a support housing; 2. a touch screen display; 3. a thermocouple interface; 4. a foot margin; 5. a power switch; 6. a fuse switch; 7. heating a control knob; 8. a data card interface; 9. a fan control switch; 10. a heating control switch; 11. a heat radiation hole; 12. an anemometer interface; 13. a heater wire interface; 14. an external interface of the fan; 15. a first power line interface; 16. a second power line interface; 17. a first fixing plate; 18. an axial flow fan; 180. an air duct; 19. a temperature measuring point; 20. an anemometer; 21. a heating rod; 22. throttle opening scale; 23. a throttle control knob; 24. a handle; 25. and a second anchor.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. Of course, the specific embodiments described herein are for purposes of illustration only and are not intended to limit the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the utility model, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present utility model can be understood by those of ordinary skill in the art in a specific case.
Example 1
Referring to fig. 1 to 4, the utility model provides an improved convection and radiation comprehensive heat transfer experiment demonstration device, which comprises a main control unit and an experiment unit;
the main control unit comprises a support shell 1, wherein a touch screen display screen 2 is arranged on one side of the support shell 1, a plurality of thermocouple interfaces 3 which are linearly arranged are arranged below the touch screen display screen 2, a power switch 5, a fuse switch 6 and a heating control knob 7 are arranged on one side of the touch screen display screen 2, a data card interface 8 is arranged on one side of the heating control knob 7, a fan control switch 9 and a heating control switch 10 are arranged on one side of the thermocouple interfaces 3, and an anemometer interface 12, a heating wire interface 13, a fan external interface 14, a first power wire interface 15 and a second power wire interface 16 are sequentially arranged on the back side of the support shell 1;
the main control unit is electrically connected with the experimental unit, the experimental unit includes first fixed plate 17, fixed surface is connected with axial fan 18 on the first fixed plate 17, axial fan 18 fixed intercommunication has wind channel 180, wind channel 180 has set gradually temperature measurement point 19, anemograph 20, heating rod 21 from bottom to top, fixed intercommunication in axial fan 18 one side has the choke valve, is provided with choke valve control knob 23, choke valve aperture scale 22 on the choke valve, and support shell 1 dorsal part is provided with a plurality of linear arrangement's louvre 11.
The four corners of the lower surface of the supporting shell 1 are respectively provided with a first foot 4, and the four corners of the lower surface of the first fixing plate 17 are respectively provided with a second foot 25.
Handles 24 are fixedly connected to both sides of the upper surface of the first fixing plate 17.
The surface of the heating rod 21 is provided with a matte black coating, and the heating rod 21 is fixed on the air duct 180 through a fixing buckle.
The heating rod 21 is provided with graduations.
Thermocouples matched with the thermocouple interfaces 3 are arranged on one side of the heating rod 21 and one side of the temperature measuring point 19.
The anemometer interface 12 is electrically connected with the anemometer 20 through a power line, the heating wire interface 13 is electrically connected with the heating rod 21 through a power line, the fan external interface 14 is electrically connected with the axial flow fan 18 through a power line, the first power line interface 15 is electrically connected with the temperature measuring point 19 through a power line, and the second power line interface 16 is externally connected with a power source.
When the utility model is used, through the power switch 5, the heating control switch 10, the fuse switch 6, the thermocouple interface 3, the heating control knob 7, the heating switch 10, the fan control switch 9 and the like, the utility model is used for providing the power supply, load protection, current and voltage and other parameter adjustment for carrying out different heat transfer experiments, the touch screen display screen 2 can display, the current, the voltage, the wind speed and other parameters, the main control unit is used for controlling the heat transfer rule for verifying the existence of heat radiation and heat convection simultaneously, and the natural convection and the forced convection influence on the heat convection, the heating rod 21 provides a heat source, the heating control switch 10 is started to regulate the heating power through the heating control knob 7, the surface of the heating rod 21 is covered with the matte black coating, the device is used for simulating the blackbody emission surface in the heat radiation process, the heating rod 21 is connected with the thermocouple interface 3 through a thermocouple and displays the temperature in real time through the touch screen display screen 2, meanwhile, the anemograph 20 can measure the airflow velocity of the airflow in the air duct 180, the result is digitally displayed on the touch screen display screen 2, the air quantity of the axial flow fan 18 is adjustable, the temperature is realized through rotating the throttle valve control knob 23, the temperature measuring point 19 is used for measuring the temperature of the airflow entering the air duct 18, the heat convection coefficient can be calculated through the difference between the temperature of the thermocouple and the temperature of the heating rod 21, the comprehensive heat transfer rule of heat convection and heat radiation is verified, the air quantity is controlled through the throttle valve control knob 23, and the air quantity is accurately regulated and controlled through the throttle valve opening scale 22.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. The improved convection and radiation comprehensive heat transfer experiment demonstration device is characterized by comprising a main control unit and an experiment unit;
the main control unit comprises a support shell (1), a touch screen display screen (2) is arranged on one side of the support shell (1), a plurality of thermocouple interfaces (3) which are linearly arranged are arranged below the touch screen display screen (2), a power switch (5), a fuse switch (6) and a heating control knob (7) are arranged on one side of the touch screen display screen (2), a data card interface (8) is arranged on one side of the heating control knob (7), a fan control switch (9) and a heating control switch (10) are arranged on one side of the thermocouple interfaces (3), and an anemometer interface (12), a heating wire interface (13), a fan external interface (14), a first power wire interface (15) and a second power wire interface (16) are sequentially arranged on the back side of the support shell (1);
the main control unit with the experimental unit electricity is connected, the experimental unit includes first fixed plate (17), fixed surface is connected with axial fan (18) on first fixed plate (17), axial fan (18) fixed intercommunication has wind channel (180), wind channel (180) are by supreme temperature measurement point (19), anemograph (20), heating rod (21) of having set gradually down, fixed intercommunication in axial fan (18) one side has the choke valve, be provided with choke valve control knob (23), choke valve aperture scale (22) on the choke valve, support shell (1) dorsal part is provided with a plurality of linear arrangement's louvre (11).
2. The improved convection and radiation comprehensive heat transfer experiment demonstration device according to claim 1, wherein the four corners of the lower surface of the supporting shell (1) are respectively provided with a first anchor (4), and the four corners of the lower surface of the first fixing plate (17) are respectively provided with a second anchor (25).
3. The improved convection and radiation integrated heat transfer experimental demonstration device according to claim 1, wherein handles (24) are fixedly connected to both sides of the upper surface of the first fixing plate (17).
4. The improved convection and radiation integrated heat transfer experiment demonstration device according to claim 1, wherein a matte black coating is arranged on the surface of the heating rod (21), and the heating rod (21) is fixed on the air duct (180) through a fixing buckle.
5. The improved convection and radiation integrated heat transfer experimental demonstration device according to claim 2, wherein the heating rod (21) is provided with graduations.
6. The improved convection and radiation comprehensive heat transfer experiment demonstration device according to claim 3, wherein thermocouples matched with the thermocouple interface (3) are arranged on one side of the heating rod (21) and one side of the temperature measuring point (19).
7. The improved convection and radiation integrated heat transfer experiment demonstration apparatus according to claim 4, wherein the anemometer interface (12) is electrically connected with the anemometer (20) through a power line, the heating wire interface (13) is electrically connected with the heating rod (21) through a power line, the fan external interface (14) is electrically connected with the axial fan (18) through a power line, the first power line interface (15) is electrically connected with the temperature measuring point (19) through a power line, and the second power line interface (16) is externally connected with a power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320628059.XU CN219590993U (en) | 2023-03-23 | 2023-03-23 | Improved convection and radiation comprehensive heat transfer experiment demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320628059.XU CN219590993U (en) | 2023-03-23 | 2023-03-23 | Improved convection and radiation comprehensive heat transfer experiment demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219590993U true CN219590993U (en) | 2023-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320628059.XU Active CN219590993U (en) | 2023-03-23 | 2023-03-23 | Improved convection and radiation comprehensive heat transfer experiment demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219590993U (en) |
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2023
- 2023-03-23 CN CN202320628059.XU patent/CN219590993U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An improved experimental demonstration device for comprehensive heat transfer of convection and radiation Granted publication date: 20230825 Pledgee: Qilu Bank Co.,Ltd. Jinan Science and Technology Innovation Financial Center Branch Pledgor: Micronewton (Shandong) Technology Development Co.,Ltd. Registration number: Y2024980000803 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |