CN212904624U - Heating box for heat transfer coefficient detection - Google Patents
Heating box for heat transfer coefficient detection Download PDFInfo
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- CN212904624U CN212904624U CN202021460835.2U CN202021460835U CN212904624U CN 212904624 U CN212904624 U CN 212904624U CN 202021460835 U CN202021460835 U CN 202021460835U CN 212904624 U CN212904624 U CN 212904624U
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- heating box
- cooling
- box
- heating
- heat transfer
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 90
- 238000001514 detection method Methods 0.000 title abstract description 4
- 238000001816 cooling Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000002826 coolant Substances 0.000 claims abstract description 6
- 238000005485 electric heating Methods 0.000 claims description 17
- 239000006004 Quartz sand Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 230000005611 electricity Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 206010053615 Thermal burn Diseases 0.000 description 1
- 239000004964 aerogel Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of heat transfer technology detection, in particular to a heating box for detecting heat transfer coefficient, which comprises a heating box body and an experimental box fixedly arranged at the top of the heating box body, wherein a heating box is fixedly arranged in the heating box body, cooling box and temperature adjusting mechanism, heating box bottom fixed mounting has the electrothermal tube, heating box top rigid coupling has the steam pipe, the steam pipe free end passes and heats the case body and communicates with the experimental box, the cooling medium is equipped with in the cooling box, the cooling incasement is equipped with the cooling pipe, the one end of cooling pipe is passed cooling box and experimental box intercommunication, the other end of cooling pipe passes cooling box and heating box intercommunication, temperature adjusting mechanism includes spiral line pole and the sliding contact that can be connected with spiral line pole electricity, the rigid coupling has the slide bar on the sliding contact, be equipped with on the case body and hold the gliding spout of slide bar, the case body is heated to the wear out of slide bar free end, it is equipped with the switch that is used for controlling electrothermal tube circular telegram and outage to heat the case main part surface.
Description
Technical Field
The utility model relates to a heat transfer technology detects technical field, specifically discloses a heat transfer coefficient detects and uses heating box.
Background
The heat transfer coefficient is conventionally referred to as the overall heat transfer coefficient. The national current standard specification is not necessarily named as heat transfer coefficient. The heat transfer coefficient K value is the heat transferred in unit area in unit time under the condition of stable heat transfer, wherein the temperature difference of air at two sides of the enclosure structure is 1 degree (K or ℃).
In general, when the heat transfer coefficient is detected, air at one end is heated, but the temperature of the conventional heating box for detecting the heat transfer coefficient is not easy to adjust, so that the inventor provides a heating box for detecting the heat transfer coefficient to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the temperature of traditional heating box is not convenient for adjust.
In order to achieve the above object, the basic scheme of the utility model provides a heating box for detecting heat transfer coefficient, which comprises a heating box body and an experimental box fixedly arranged on the top of the heating box body, wherein a heating box, a cooling box and a temperature adjusting mechanism are fixedly arranged in the heating box body;
the bottom of the heating box is fixedly provided with an electric heating tube, the top of the heating box is fixedly connected with a hot air tube, the free end of the hot air tube penetrates through the heating box body to be communicated with the experimental box, a cooling medium is filled in the cooling box, a cooling tube is arranged in the cooling box, one end of the cooling tube penetrates through the cooling box to be communicated with the experimental box, the other end of the cooling tube penetrates through the cooling box to be communicated with the heating box, the temperature adjusting mechanism comprises a spiral wire rod and a sliding contact which can be electrically connected with the spiral wire rod, a sliding rod is fixedly connected to the sliding contact, a sliding groove capable of accommodating the sliding rod is formed in the heating box body, and the;
one end of the electric heating tube is electrically connected with the spiral wire rod, the other end of the electric heating tube and the sliding contact are respectively electrically connected with the anode and the cathode of the power supply, and a switch for controlling the electrification and the outage of the electric heating tube is arranged on the outer surface of the heating box main body.
The principle and effect of this basic scheme lie in:
1. the utility model discloses be equipped with the electrothermal tube, the electrothermal tube circular telegram can be the heat with electric energy conversion, and the temperature of electrothermal tube changes along with the big or small change that lets in the electric current of electrothermal tube, and the electrothermal tube circular telegram produces the heat, with the air heating on every side, and the air is heated and is shifted up, gets into the experimental box from the steam pipe.
2. The utility model discloses be equipped with the cooling box, the cooling medium of cooling box can absorb the intraductal heat of cooling, avoids the heat to accumulate in the experimental box, through the circulation control of intensification and cooling, makes the temperature of air can keep in suitable numerical range in real time, improves the precision that coefficient of heat transfer detected.
3. The utility model discloses be equipped with temperature adjustment mechanism, the temperature of heating pipe is according to the current change that lets in the heating pipe and change, and the size of electric current equals the ratio of resistance in mains voltage and the circuit, and mains voltage size can not change, so can be through the size of resistance in the regulating circuit to reach the purpose of regulating current size, and then the temperature of adjusting the heating pipe.
4. The utility model discloses be equipped with spiral line pole and sliding contact, the position of spiral line pole and sliding contact is different, and the resistance value size in its access circuit is just different, adjusts sliding contact's position, can adjust the resistance in the spiral line pole access circuit, adjusts the temperature of heating pipe promptly.
Compared with the prior art, the utility model discloses a set up heating cabinet, cooling box, spiral line pole and sliding contact, not only solved the traditional problem that heats the temperature of case and be not convenient for adjust, still make the temperature that detects heat transfer coefficient in-process air more stable, improved the accuracy that detects.
Furthermore, the hot air pipe and the cooling pipe are provided with heat insulation layers on partial surfaces in the heating box body. The cooling layer can avoid heat dissipation.
Further, the heating cabinet is further fixedly connected with a U-shaped temperature measuring pipe, the ports at the two ends of the U-shaped temperature measuring pipe are communicated with the heating cabinet, and the bent part of the U-shaped temperature measuring pipe penetrates out of the heating cabinet body and is fixedly connected with a thermometer. The thermometer is convenient for the operating personnel to detect the temperature of the air in the heating box.
Furthermore, protective covers are arranged at the heating box body and the U-shaped temperature measuring pipes. The protection casing avoids hot air scald operating personnel.
Further, the cooling medium is quartz sand. The quartz sand has fast heat conduction and fast heat dissipation.
Drawings
Fig. 1 is a cross-sectional view of a heating box for detecting a heat transfer coefficient according to an embodiment of the present invention.
Detailed Description
The following is further detailed by the specific embodiments:
reference numerals in the drawings of the specification include: the heating box comprises a heating box body 1, a heating box 2, a hot air pipe 3, an experiment box 4, a cooling pipe 5, a cooling box 6, a thermometer 7, a U-shaped temperature measuring pipe 8, a protective cover 9, an electric heating pipe 10, a spiral wire rod 11, a sliding contact 12, a sliding rod 13 and a sliding plate 14.
An embodiment of a heating box for detecting a heat transfer coefficient is shown in FIG. 1. The heating box comprises a heating box body 1 and an experimental box 4 fixedly installed at the top of the heating box body 1, wherein a heating box 2, a cooling box 6 and a temperature regulating mechanism are fixedly installed in the heating box body 1.
A heating box 2 is fixedly arranged on the left side of a heating box body 1, an electric heating tube 10 is fixedly arranged at the bottom of the heating box 2, a U-shaped temperature measuring tube 8 is arranged on the left side of the heating box 2, the opening part of the U-shaped temperature measuring tube 8 is communicated with the bottom surface of the left end of the heating box 2, the bent part of the U-shaped temperature measuring tube 8 is arranged outside the heating box body 1, a thermometer 7 is fixedly connected to the part of the U-shaped temperature measuring tube 8 outside the heating box body 1, a probe UU-shaped temperature measuring tube 8 of the thermometer 7 is arranged in the heating box body 1 and the joint of the U-shaped temperature measuring tube 8, a protective cover 9 is further arranged at the joint of the heating box body 1 and the U-shaped temperature measuring tube 8 to prevent an operator from mistakenly touching and scalding, a heating tube 3 is arranged on the top of the heating box 2 in an arc shape, the free end of the heating tube 3 passes through the heating box body 1 to be communicated with an experimental box 4, a cooling, the other end of the cooling pipe 5 penetrates through the cooling box 6 to be communicated with the heating box 2, the temperature adjusting mechanism comprises a spiral line rod 11 and a sliding contact 12 which can be electrically connected with the spiral line rod 11, a sliding rod 13 is fixedly connected onto the sliding contact 12, the free end of the sliding rod 13 penetrates out of the heating box body 1, a sliding plate 14 is arranged at the bottom of the heating box body 1, a groove which is in sliding connection with the sliding contact 12 is formed in the sliding plate 14, and a sliding groove which can accommodate the sliding rod 13 to slide is formed in the surface of the heating box body 1.
The heating tube 3 and the cooling tube 5 are provided with heat insulation layers on partial surfaces in the heating box body 1, the heat insulation layers are made of aerogel felts, the heat insulation layers can avoid heat dissipation and influence detection effects, one end of the electric heating tube 10 is electrically connected with the spiral line rod 11, the other end of the electric heating tube 10 and the sliding contact 12 are respectively electrically connected with the positive electrode and the negative electrode of a power supply, a switch is further arranged on the surface of the heating box body 1, and the switch can control the electrification and the outage of the electric heating tube 10.
In the implementation process of the utility model, an operator controls the electric heating tube 10 to be electrified through a switch, the electric heating tube 10 is electrified to heat, the air is heated and moves upwards, the air enters the experiment box 4 through the hot air tube 3, the hot air accumulated in the experiment box 4 enters the cooling tube 5, the cooling tube 5 passes through quartz sand, the quartz sand absorbs the heat in the cooling tube 5, the air temperature is reduced and flows back to the heating box 2, the operator can see whether the air temperature in the heating box 2 meets the standard or not by observing the thermometer 7, if the air temperature does not meet the standard, the temperature of the electric heating tube 10 is increased or reduced by adjusting the sliding of the sliding rod 13, the sliding rod 13 drives the sliding contact 12 to slide, the position of the sliding contact 12 in contact with the spiral line rod 11 is changed, the resistance of the spiral line rod 11 in the circuit is changed, and the current of the circuit is changed, resulting in a change in the temperature of the electric heating tube 10.
The utility model discloses a set up heating cabinet 2, cooling box 6, spiral line pole 11 and sliding contact 12, not only solved the traditional problem that heats the temperature of case and be not convenient for adjust, still make the temperature that detects heat transfer coefficient in-process air more stable, improved the accuracy that detects to be applicable to each heat transfer coefficient and detect the occasion, be suitable for popularization and application.
The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (5)
1. A heating box for detecting heat transfer coefficients is characterized by comprising a heating box body and an experimental box fixedly arranged at the top of the heating box body, wherein a heating box, a cooling box and a temperature regulating mechanism are fixedly arranged in the heating box body;
the bottom of the heating box is fixedly provided with an electric heating tube, the top of the heating box is fixedly connected with a hot air tube, the free end of the hot air tube penetrates through the heating box body to be communicated with the experimental box, a cooling medium is filled in the cooling box, a cooling tube is arranged in the cooling box, one end of the cooling tube penetrates through the cooling box to be communicated with the experimental box, the other end of the cooling tube penetrates through the cooling box to be communicated with the heating box, the temperature adjusting mechanism comprises a spiral wire rod and a sliding contact which can be electrically connected with the spiral wire rod, a sliding rod is fixedly connected to the sliding contact, a sliding groove capable of accommodating the sliding rod is formed in the heating box body, and the;
one end of the electric heating tube is electrically connected with the spiral wire rod, the other end of the electric heating tube and the sliding contact are respectively electrically connected with the anode and the cathode of the power supply, and a switch for controlling the electrification and the outage of the electric heating tube is arranged on the outer surface of the heating box main body.
2. The heating box for detecting heat transfer coefficient according to claim 1, characterized in that: the hot air pipe and the cooling pipe are provided with heat insulation layers on partial surfaces in the heating box body.
3. The heating box for detecting heat transfer coefficient according to claim 1, characterized in that: the heating box is further fixedly connected with a U-shaped temperature measuring pipe, the ports at the two ends of the U-shaped temperature measuring pipe are communicated with the heating box, and the bent part of the U-shaped temperature measuring pipe penetrates out of the heating box body and is fixedly connected with a thermometer.
4. A heating box for detecting heat transfer coefficient according to claim 3, characterized in that: and protective covers are arranged at the heating box body and the U-shaped temperature measuring pipe.
5. The heating box for detecting heat transfer coefficient according to claim 1, characterized in that: the cooling medium is quartz sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021460835.2U CN212904624U (en) | 2020-07-22 | 2020-07-22 | Heating box for heat transfer coefficient detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021460835.2U CN212904624U (en) | 2020-07-22 | 2020-07-22 | Heating box for heat transfer coefficient detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212904624U true CN212904624U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021460835.2U Expired - Fee Related CN212904624U (en) | 2020-07-22 | 2020-07-22 | Heating box for heat transfer coefficient detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212904624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114287272A (en) * | 2021-11-26 | 2022-04-08 | 青岛理工大学 | A miniature artificial climate box that can be remotely monitored |
-
2020
- 2020-07-22 CN CN202021460835.2U patent/CN212904624U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114287272A (en) * | 2021-11-26 | 2022-04-08 | 青岛理工大学 | A miniature artificial climate box that can be remotely monitored |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210406 |
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| CF01 | Termination of patent right due to non-payment of annual fee |