CN211128234U - Vacuum furnace heating element connecting structure - Google Patents
Vacuum furnace heating element connecting structure Download PDFInfo
- Publication number
- CN211128234U CN211128234U CN201922211469.0U CN201922211469U CN211128234U CN 211128234 U CN211128234 U CN 211128234U CN 201922211469 U CN201922211469 U CN 201922211469U CN 211128234 U CN211128234 U CN 211128234U
- Authority
- CN
- China
- Prior art keywords
- heating
- heating element
- heat
- vacuum furnace
- generating body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Furnace Details (AREA)
- Resistance Heating (AREA)
Abstract
The utility model belongs to the technical field of vacuum furnace equipment, a vacuum furnace heat-generating body connection structure, include heat-generating body, connection piece, lead electrical pillar, fixed column, connecting plate, the heat-generating body is cylindrical, and two heat-generating bodies are parallel and use the connection piece to connect between the both ends that correspond respectively, form quadrilateral's heat-generating body unit, connect through the connecting plate between two heat-generating body units, are equipped with the fixed column on the connecting plate, and a plurality of heat-generating body unit connection form the heat-generating body small group, lead electrical pillar and be connected with. By using the heating body connection method of the utility model, the temperature of the heating zone is controlled independently, and the temperature uniformity in the furnace is good; the phenomena of large temperature difference and uneven heating in the furnace can be prevented; and the structure is simple, and the energy consumption is low.
Description
Technical Field
The utility model relates to a vacuum furnace equipment technical field especially relates to a vacuum furnace heat-generating body connection structure.
Background
The vacuum furnace is one of the common devices in laboratories and industrial production, can heat spare parts under the vacuum state, and the heat-generating body is the source that generates heat of vacuum furnace, is the core component of vacuum furnace, also is a vulnerable part, and the preparation material that the heat-generating body adopted influences the performance of heat-generating body greatly, and at present, the material that is used as the vacuum furnace heat-generating body is of a great variety, summarizes and has two categories: one is refractory metal, and the other is graphite heating element. The heating element of refractory metal is generally made by winding a resistance wire into a spiral shape and then placing the spiral resistance wire into a hearth to form a heating integral unit. Such a heat generating body has two problems in practical use: firstly, the resistance wire is directly exposed in a vacuum furnace and is easily eroded by volatile materials of a workpiece, and the volatile materials are deposited on the surface of the resistance wire to easily form short circuit of a heating body; secondly, the conventional hearth material is difficult to bear the high temperature of the vacuum furnace and has short service life; the graphite heating element has the fatal defects that the oxidation speed of graphite is high at 500-900 ℃, after the heating element is oxidized, the thickness of the graphite is not uniform, the heating is not uniform, the temperature zone difference in the furnace is large, and workpieces are heated unevenly, so that the workpieces are scrapped.
In addition to the influence of the material of the heating element on the use effect, the specific connection structure of the heating element is also an important factor influencing the use effect. CN 108458589 a discloses a heating body and a vacuum sintering furnace for realizing multi-zone temperature control. The vacuum sintering furnace comprises a sealing box, a heating device and a heat insulation cylinder; the heating device comprises a plurality of heating body groups which are uniformly distributed outside the seal box, and each heating body group comprises two heating bodies which have the same structure and are surrounded on the side surface of the seal box; the heating body comprises a first heating structure and a second heating structure; the head ends of the first heating structure and the second heating structure are connected with the output end of the single-phase transformer, and the tail ends of the first heating structure and the second heating structure are connected through a long connecting sheet; the single-phase transformer, the first heating structure and the second heating structure form a current loop, but the output power of the power controller is controlled by a plurality of PID controllers, so that the output power of the single-phase transformer is controlled, the heating temperature of the heating body is finally adjusted, and the structure is complex and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the above-mentioned not enough of prior art, providing a vacuum furnace heat-generating body connection structure, after using this connection structure's heat-generating body, the zone of heating can the independent control, and the temperature uniformity is good in the stove, and simple structure, and the energy consumption is low.
The technical scheme of the utility model is that: a heating element connecting structure of a vacuum furnace comprises a heating element, connecting sheets, conductive columns, fixed columns and connecting plates, wherein the heating element is cylindrical, the two heating elements are arranged in parallel, the two corresponding ends of the two heating elements are electrically connected through the connecting sheets respectively to form heating element units with a quadrilateral structure, the heating element units are electrically connected through the connecting plates to form heating element groups, and each heating element group is connected with a pair of conductive columns; the conductive column is connected with external voltage to form a current loop for the heating element group;
furthermore, two conducting posts in the heating element group are respectively connected with the heating elements positioned at the edges of the heating element group;
furthermore, the connection point of the conductive post and the heating element is the midpoint position of the heating element;
furthermore, the connection point of the connecting plate and the heating element is the midpoint position of the heating element, and the connecting plate is provided with a fixing column for fixing the whole heating element group;
furthermore, the conductive columns and the fixed columns are both arranged on the same side face of the heating element group;
further, the heating element group is composed of three heating element units;
furthermore, the three heating element groups are enclosed to form a cylinder, and the conductive column and the fixed column are positioned outside the cylinder;
furthermore, the connection piece and the heating body, the connection board and the heating body, the conductive column and the heating body, and the connection board and the fixing column are detachably connected.
Furthermore, the external voltage is regulated and controlled by the power controller, so that the current in the heating body is influenced, and the purpose of controlling the temperature is realized.
The utility model has the advantages that: by using the heating body connection method of the utility model, the temperature of the heating zone is controlled independently, and the temperature uniformity in the furnace is good; the phenomena of large temperature difference and uneven heating in the furnace can be prevented; and the structure is simple, and the energy consumption is low.
Drawings
FIG. 1 is a schematic view showing a structure of a heat generating element group according to an embodiment of the present invention;
FIG. 2 is a schematic view showing a cylindrical structure of a heat generating body group according to an embodiment of the present invention;
in the figure, 1-a heating element, 2-a connecting sheet, 3-a conductive column, 4-a fixed column and 5-a connecting plate.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples.
It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present application are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, change of the ratio relationship or adjustment of the sizes should still fall within the scope of the present invention without affecting the functions and the achievable purposes of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Examples
As shown in fig. 1-2, this embodiment is a vacuum furnace heating element connection structure, which includes a heating element 1, a connection sheet 2, two conductive columns 3, a fixing column 4, and a connection sheet 5, where the heating element is cylindrical, two heating elements are arranged in parallel, and the two corresponding ends are electrically connected by the connection sheet 2, respectively, to form a heating element unit with a quadrilateral structure, the heating element units are connected by the connection sheet 5, the connection sheet 5 is provided with the fixing column 4, the three heating element units are connected to form a heating element group, a pair of conductive columns 3 is connected in the heating element group, and the two conductive columns 3 are connected to the heating element 1 located at the;
the connection point of the conductive post 3 and the heating element in this embodiment is the midpoint position of the heating element 1; and the connection point of the connecting plate 5 and the heating element is also the midpoint position of the heating element;
in the embodiment, the three heating element groups are enclosed to form a cylinder, and the conductive column 3 and the fixed column 4 are both positioned on the outer side of the cylinder;
in this embodiment, the connection sheet 2 and the heating element 1, the connection sheet 5 and the heating element 1, the conductive column 3 and the heating element 1, and the connection sheet 5 and the fixing column 4 are all connected by bolts, which facilitates installation and disassembly.
When the heating element group is used, one conductive column 3 in the heating element group is connected with the input end of an external transformer, and the other conductive column 3 is connected with the output end of the external transformer, so that a current loop is formed in the heating element group; the three heating element groups are connected in parallel, and the external transformer is regulated and controlled by the power controller, so that the current in the heating elements is influenced, and the purpose of controlling the temperature is realized.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalent technologies, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The utility model provides a vacuum furnace heat-generating body connection structure, includes heat-generating body (1), connection piece (2) and leads electrical pillar (3), its characterized in that: the heating body (1) is cylindrical, two heating bodies (1) are arranged in parallel, the two corresponding ends are connected through connecting plates (2) respectively to form a heating body unit with a quadrilateral structure, the heating body units are connected through connecting plates (5) to form a heating body group, each heating body group is correspondingly provided with two conductive columns (3), one conductive column (3) is connected with an external voltage input end, the other conductive column is connected with an external voltage output end, and a current loop is formed in the heating body group.
2. A vacuum furnace heat-generating body connecting structure as claimed in claim 1, characterized in that: the conductive column (3) is arranged on the heating body (1) at the edge of the heating body group, and the connection point is the midpoint position of the heating body (1).
3. A vacuum furnace heat-generating body connecting structure as claimed in claim 1, characterized in that: the connection point of the connecting plate (5) and the heating element (1) is the midpoint position of the heating element (1).
4. A vacuum furnace heat-generating body connecting structure as defined in claim 3, characterized in that: and the connecting plate (5) is provided with a fixing column (4) for fixing the whole heating body group.
5. The heating element connecting structure of a vacuum furnace as claimed in claim 4, wherein: the conductive columns (3) and the fixed columns (4) are both arranged on the same side face of the heating body group.
6. A vacuum furnace heat-generating body connecting structure as claimed in claim 1, characterized in that: the heating element group consists of three heating element units.
7. A vacuum furnace heat-generating body connecting structure as defined in claim 6, characterized in that: the three heating element small groups are enclosed to form a cylinder shape, and the conductive columns (3) and the fixed columns (4) are arranged on the outer side of the cylinder.
8. A heat-generating body connecting structure of a vacuum furnace according to claim 7, characterized in that: the small heating element groups are connected in parallel.
9. A vacuum furnace heat-generating body connecting structure as claimed in claim 1, characterized in that: the connecting sheet (2) is detachably connected with the heating body (1), the connecting sheet (5) is detachably connected with the heating body (1), the conductive post (3) is detachably connected with the heating body (1), and the connecting sheet (5) is detachably connected with the fixing post (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922211469.0U CN211128234U (en) | 2019-12-11 | 2019-12-11 | Vacuum furnace heating element connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922211469.0U CN211128234U (en) | 2019-12-11 | 2019-12-11 | Vacuum furnace heating element connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211128234U true CN211128234U (en) | 2020-07-28 |
Family
ID=71689720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922211469.0U Active CN211128234U (en) | 2019-12-11 | 2019-12-11 | Vacuum furnace heating element connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211128234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001783A (en) * | 2021-02-25 | 2021-06-22 | 杭州乐暖科技有限公司 | Bendable carbon crystal heating plate and preparation method thereof |
-
2019
- 2019-12-11 CN CN201922211469.0U patent/CN211128234U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001783A (en) * | 2021-02-25 | 2021-06-22 | 杭州乐暖科技有限公司 | Bendable carbon crystal heating plate and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107690206B (en) | Heating electrode structure and heating device | |
| CN211128234U (en) | Vacuum furnace heating element connecting structure | |
| US3704357A (en) | Inductor arrangement for induction heating application particularly for brazing presses | |
| CN104039030A (en) | Heating coil | |
| CN112427556A (en) | Self-resistance heating forming device and method for large metal plate | |
| CN101265607B (en) | Graphite heater for polycrystalline silicon casting ingot process | |
| JPH0735723A (en) | Rod ceramic heater for oxygen sensor and manufacture thereof | |
| CN112788805A (en) | Ceramic heating plate | |
| CN204678904U (en) | resistance furnace | |
| CN111457715A (en) | Heating member and multi-zone temperature control vacuum furnace | |
| CN207069881U (en) | A kind of magnetic integrated circuit and power conversion device | |
| KR101540654B1 (en) | Pattern structure of heater on stainless plate | |
| CN109647954A (en) | A kind of electromagnetic induction is evenly heated the process unit and method of plane sheet metal | |
| CN212158107U (en) | Heating member and multi-zone temperature control vacuum furnace | |
| JP2012153912A (en) | Electric heating machine | |
| CN221263996U (en) | Low-resistance high-heat heating film | |
| CN220107170U (en) | Glass sintering equipment of sealing connector | |
| US3337675A (en) | Manufacture of glass | |
| US3796556A (en) | Manufacture of welded glazing units | |
| CN213877790U (en) | Electric boosting transformer for basalt | |
| CN112989575B (en) | Platinum pipeline heating power calculation method | |
| CN118031636B (en) | Heating module and processing equipment | |
| CN221122956U (en) | Heating structure for large vacuum sintering furnace | |
| JPH062053U (en) | Electric heating device for electrode type water heater | |
| CN210016649U (en) | Heating plate in full-automatic high-cleanness multilayer furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |