CN219843740U - Infrared heating device with multistage independent temperature control function - Google Patents
Infrared heating device with multistage independent temperature control function Download PDFInfo
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- CN219843740U CN219843740U CN202321313703.0U CN202321313703U CN219843740U CN 219843740 U CN219843740 U CN 219843740U CN 202321313703 U CN202321313703 U CN 202321313703U CN 219843740 U CN219843740 U CN 219843740U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 115
- 230000007704 transition Effects 0.000 claims description 8
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000005245 sintering Methods 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000007935 neutral effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses an infrared heating device with multiple sections of independent temperature control, which comprises a mandrel, a resistance wire capable of being wound outside the mandrel and electrified to heat and a temperature measuring element for detecting the temperature generated by the resistance wire, wherein the mandrel can be divided into multiple sections of heating shaft sections, a connecting module is arranged between the multiple sections of heating shaft sections, the resistance wire and the temperature measuring element are respectively wound on the multiple sections of heating shaft sections to form multiple sections of heating areas, and the resistance wires on the multiple sections of heating shaft sections can respectively and independently work to enable the heating device to respectively control the temperature on the multiple sections of heating areas. The utility model can independently set the temperature of the areas through independent work among the multiple sections of heating areas, and can create a gradient temperature area or an even temperature area on the same infrared heating device; a curve of heating, constant temperature or cooling can be created, so that the spatial temperature precision of the uniform thermal field is controlled to be +/-2 ℃; the sintering process is simpler and more convenient due to the plurality of gradient curves for heating, and the sintering yield is greatly improved.
Description
Technical Field
The utility model relates to the technical field of photovoltaic thermal fields and heating systems of electric heating elements, in particular to an infrared heating device with multiple sections capable of independently controlling temperature.
Background
The existing common infrared heating pipe (element) adopts a single group of heating bodies, heating areas are uniformly or unevenly distributed, each heating area is in collective control of temperature, the power of different areas can be only divided, the temperature control precision of the whole heating space is low, the temperature precision can only be controlled to be +/-10 ℃ (under the working condition of 1000 ℃), a gradient temperature area or an even temperature area can not be created on the same infrared heating pipe (element), and only one mode can be selected for the heating areas.
Disclosure of Invention
In view of the above, the present utility model is directed to an infrared heating device with multiple stages of independent temperature control.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides an infrared heating device with but multistage independent temperature control, heating device includes the dabber, can twine the dabber is outer the resistance wire that the circular telegram was generated heat and be used for detecting the temperature measurement element of temperature that the resistance wire produced, the dabber can set up to divide into multistage heating shaft section, multistage be provided with connecting module between the heating shaft section, the multistage the winding has the resistance wire respectively on the heating shaft section and is provided with temperature measurement element and forms multistage heating area, multistage resistance wire on the heating shaft section can independently work respectively, makes heating device control the multistage respectively the temperature on the heating area.
Preferably, the two ends of the resistance wire are respectively and electrically connected with a live wire and a zero wire, the live wire and the resistance wire are correspondingly provided with a plurality of resistance wires, and the resistance wires wound on the heating shaft sections are respectively and electrically connected with a plurality of different live wires in a one-to-one correspondence manner.
Further, wire holes through which the live wire and the null wire can pass are formed in the mandrel and the connecting module.
Further, a plurality of wire holes may be provided, and a plurality of wire holes respectively correspond to one of the live wire or the neutral wire.
Preferably, the connecting module is formed with a shaft sleeve with two ends respectively sleeved on the two heating shaft sections.
Preferably, the temperature measuring element is a thermocouple device inserted into middle holes formed in the middle of the heating shaft section and the connecting module, and the thermocouple device can respectively measure the temperature generated by the resistance wire on the corresponding heating shaft section.
Preferably, the mandrel and the connection module are made of ceramic material.
Preferably, the front end of the mandrel is also provided with a transition shaft section, and the transition shaft section is a heating shaft section which is not wound with a resistance wire and is provided with a temperature measuring element.
Preferably, the heating device further comprises a protection tube arranged outside the mandrel and the resistance wire, and the protection tube can cover a plurality of sections of the heating shaft section.
The technical effects of the utility model are mainly as follows: the temperature of the thermal field space can be independently set according to the process requirement by the heating device through independent work among the multiple sections of heating areas, so that a gradient temperature area or an even temperature area can be created on the same infrared heating device, and the infrared heating device is suitable for different use scenes; the curve of heating, constant temperature or cooling can be created, and the space temperature precision of the uniform thermal field can be controlled to be +/-2 ℃ (under the working condition of 1000 ℃); the multi-stage temperature zone can create a plurality of gradient curves for heating, the sintering process is simpler and more convenient, and the sintering yield is greatly improved.
Drawings
FIG. 1 is a simplified schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic overall cross-sectional view of the present utility model;
FIG. 3 is a schematic diagram of the end face structure of the heating shaft section of the present utility model;
FIG. 4 is a schematic cross-sectional view of a heating shaft section according to the present utility model;
FIG. 5 is a schematic diagram of an end face structure of a connection module according to the present utility model;
fig. 6 is a schematic cross-sectional structure of the connection module of the present utility model.
1-a mandrel; 11-a heating shaft section; 12-a transition shaft section; 2-resistance wire; 3-connecting modules; 31-an axle sleeve; 4-a temperature measuring element; 5-protecting tube; 6-line holes; l1, L2, L3, L4, L5-live wire; n-zero line.
Description of the embodiments
The following detailed description of the utility model is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the utility model.
Example 1
According to the figures 1-6, an infrared heating device with multiple sections of independent temperature control is similar to the existing heating device, and comprises a mandrel 1, a resistance wire 2 which can be wound outside the mandrel 1 and is electrified to generate heat, and a temperature measuring element 4 for detecting the temperature generated by the resistance wire, wherein the effect of uniformly or unevenly distributing heating areas can be achieved by winding resistance wires 2 with different thickness or density (turns) on different positions of the mandrel 1, but the temperature is controlled in a collective manner, the precision of temperature control is not high, and a gradient temperature area or an even temperature area cannot be created on the same infrared heating device, and only one mode can be selected for the two.
In the utility model, the mandrel 1 can be divided into a plurality of sections of heating shaft sections 11, a connecting module 3 is arranged between the plurality of sections of heating shaft sections 11, the plurality of sections of heating shaft sections 11 are respectively wound with the resistance wire 2 and provided with the temperature measuring element 4 to form a plurality of sections of heating areas, and the resistance wires 2 on the plurality of sections of heating shaft sections 11 can respectively and independently work, so that the heating device respectively controls the temperatures on the plurality of sections of heating areas.
In order to increase the heat transfer effect, the mandrel 1 and the connection module 3 are generally made of ceramic material.
The temperature of the thermal field space can be independently set according to the process requirement by independently working among the heating areas of the multiple sections, so that a gradient temperature area or an equilibrium temperature area can be created on the same infrared heating device, and different use scenes can be adapted; the curve of heating, constant temperature or cooling can be created, and the space temperature precision of the uniform thermal field can be controlled to be +/-2 ℃ (under the working condition of 1000 ℃); the multi-stage temperature zone can create a plurality of gradient curves for heating, the sintering process is simpler and more convenient, and the sintering yield is greatly improved.
For example, five sections of heating areas capable of working independently are provided, namely five sections of the heating shaft sections 11 are provided, five groups of resistance wires 2 which are respectively wound on the five sections of the heating shaft sections 11 and can be different in thickness or density (number of turns) and independent temperature measuring elements 4 corresponding to each heating area are provided, linkage temperature control is performed through an external system, the first heating area is set to 200 ℃, the second heating area is set to 300 ℃, the third heating area is set to 800 ℃, the fourth heating area is set to 600 ℃, the fifth heating area is set to 400 ℃, and curve temperature areas of heating, constant temperature and cooling can be created.
The temperature of each heating area can be designed at will without interference, thereby realizing multi-region multi-control and greatly improving the flexibility and precision of the temperature requirement of the heating field.
Example 2
The difference from example 1 is that: the two ends of the resistance wire 2 are respectively and electrically connected with a live wire and a zero wire, a plurality of the live wires are correspondingly arranged with the resistance wire 2, and the resistance wire 2 wound on the heating shaft section 11 is respectively and electrically connected with a plurality of different live wires in a one-to-one correspondence manner.
Specifically, the heat generating area corresponds to the fifth section in embodiment 1, the firing line may be divided into five sections L1, L2, L3, L4, and L5, the zero line may share one section, L1 corresponds to the resistance wire 2 on the first section of the heat generating area, L2 corresponds to the resistance wire 2 on the second section of the heat generating area, L3 corresponds to the resistance wire 2 on the third section of the heat generating area, L4 corresponds to the resistance wire 2 on the fourth section of the heat generating area, L5 corresponds to the resistance wire 2 on the fifth section of the heat generating area, and the firing lines of L1-L5 work independently.
Example 3
The difference from example 2 is that: a plurality of wire holes 6 through which the live wire and the neutral wire can pass are formed on the mandrel 1 and the connection module 3, and a plurality of live wires or neutral wires can pass through one wire hole 6 in general, but in order to avoid that a plurality of live wires are close to each other to generate large heat to influence the temperature precision, a plurality of wire holes 6 can be formed, and a plurality of wire holes 6 respectively correspond to one live wire or neutral wire; a plurality of said wire holes 6 may be arranged circularly around the center.
Example 4
The difference from example 1 is that: the connecting module 3 is formed with a shaft sleeve 31 with two ends respectively sleeved on the two sections of the heating shaft sections 11, and the connecting module 3 not only can be used for connecting the two sections of the heating shaft sections 11, but also can be used for reducing the mutual influence between the heat generated by the resistance wires 2 of the adjacent two sections of the heating shaft sections 11.
Example 5
The difference from example 1 is that: the temperature measuring element 4 is a thermocouple device inserted into middle holes formed in the middle parts of the heating shaft section 11 and the connecting module 3, and the thermocouple device can respectively measure the temperature generated by the corresponding resistance wire 2 on the heating shaft section 11, so that a curve temperature zone for heating, constant temperature and cooling can be created in the heating zone, and the accuracy and flexibility of the temperature are improved.
Example 6
The difference from example 1 is that: the front end of the mandrel 1 is also provided with a transition shaft section 12, the transition shaft section 12 is a heating shaft section 11 which is not wound with the resistance wire 2 and provided with the temperature measuring element 4, and the transition shaft section 12 plays a role in preventing the fixed end which is installed or fixed with the heating device from being affected by heat, so that the fixation or the installation failure of the heating device is caused.
Example 7
The difference from example 1 is that: the heating device further comprises a protection tube 5 arranged outside the mandrel 1 and the resistance wire 2, and the protection tube 5 can cover a plurality of sections of the heating shaft sections 11, so that the mandrel 1 and the resistance wire 2 cannot be damaged by the outside to influence the heating operation.
Claims (9)
1. The utility model provides an infrared heating device with but multistage independent temperature control, heating device includes dabber, can twine the dabber is outer circular telegram resistance wire that generates heat and be used for detecting the temperature measuring element of resistance wire production's temperature, its characterized in that: the mandrel can be divided into a plurality of sections of heating shaft sections, a connecting module is arranged between the heating shaft sections, resistance wires are respectively wound on the heating shaft sections and temperature measuring elements are arranged on the heating shaft sections to form a plurality of sections of heating areas, and the resistance wires on the heating shaft sections can respectively and independently work, so that the heating device respectively controls the temperatures on the heating areas.
2. An infrared heating apparatus having multiple sections of independently controllable temperature as claimed in claim 1, wherein: the two ends of the resistance wire are respectively and electrically connected with the fire wire and the zero line, the fire wire and the resistance wire are correspondingly provided with a plurality of resistance wires, and the resistance wires wound on the heating shaft sections are respectively and electrically connected with a plurality of different fire wires in a one-to-one correspondence manner.
3. An infrared heating apparatus having multiple sections of independently controllable temperature as claimed in claim 2, wherein: and wire holes through which the live wire and the zero wire can pass are formed in the mandrel and the connecting module.
4. An infrared heating apparatus having multiple sections of independently controllable temperature as claimed in claim 3, wherein: the line holes can be provided with a plurality of line holes, and the line holes respectively correspond to one live line or zero line.
5. An infrared heating apparatus having multiple sections of independently controllable temperature as claimed in claim 1, wherein: the connecting module is formed with shaft sleeves with two ends respectively sleeved on the two heating shaft sections.
6. An infrared heating apparatus having multiple sections of independently controllable temperature as claimed in claim 1, wherein: the temperature measuring element is a thermocouple device which is inserted into middle holes formed in the middle of the heating shaft section and the connecting module, and the thermocouple device can respectively measure the temperature generated by the resistance wire on the corresponding heating shaft section.
7. An infrared heating apparatus having multiple sections of independently controllable temperature as claimed in claim 1, wherein: the mandrel and the connection module are made of ceramic materials.
8. An infrared heating apparatus having multiple sections of independently controllable temperature as claimed in claim 1, wherein: the front end of the mandrel is also provided with a transition shaft section, and the transition shaft section is a heating shaft section which is not wound with a resistance wire and is provided with a temperature measuring element.
9. An infrared heating apparatus having multiple sections of independently controllable temperature as claimed in claim 1, wherein: the heating device further comprises a protection tube arranged outside the mandrel and the resistance wire, and the protection tube can cover a plurality of sections of the heating shaft sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321313703.0U CN219843740U (en) | 2023-05-29 | 2023-05-29 | Infrared heating device with multistage independent temperature control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321313703.0U CN219843740U (en) | 2023-05-29 | 2023-05-29 | Infrared heating device with multistage independent temperature control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219843740U true CN219843740U (en) | 2023-10-17 |
Family
ID=88302639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321313703.0U Active CN219843740U (en) | 2023-05-29 | 2023-05-29 | Infrared heating device with multistage independent temperature control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219843740U (en) |
-
2023
- 2023-05-29 CN CN202321313703.0U patent/CN219843740U/en active Active
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