CN215906270U - Heating wire assembly and evaporation source - Google Patents
Heating wire assembly and evaporation source Download PDFInfo
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- CN215906270U CN215906270U CN202122253002.XU CN202122253002U CN215906270U CN 215906270 U CN215906270 U CN 215906270U CN 202122253002 U CN202122253002 U CN 202122253002U CN 215906270 U CN215906270 U CN 215906270U
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- heating wires
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Abstract
The utility model relates to the technical field of evaporation, and discloses a heating wire assembly and an evaporation source, wherein the heating wire assembly comprises: the heating part comprises a plurality of strip-shaped heating wires which are arranged at intervals in the circumferential direction of an axis, each strip-shaped heating wire is parallel to the axis, and the head part and the tail part of each two adjacent strip-shaped heating wires form the head part and the tail part along the arrangement direction of the strip-shaped heating wires respectively; in the direction from the head part to the tail part, in every three adjacent strip heating wires, the top end of the middle strip heating wire is connected with the top end of the strip heating wire on one side through a first connecting part, and the bottom end of the middle strip heating wire is connected with the bottom end of the strip heating wire on the other side through a second connecting part; the first annular fixing frame is provided with first strip-shaped through grooves which correspond to the first connecting parts one to one, and the first strip-shaped through grooves are used for the first connecting parts to penetrate through. The heating wire component is simple and convenient to assemble, saves the assembling time and is beneficial to improving the durability of the heating wire.
Description
Technical Field
The utility model relates to the technical field of evaporation, in particular to a heating wire assembly and an evaporation source.
Background
The organic light-emitting device is a self-light-emitting device which leads current to the organic compound to make the organic compound emit light and utilizes the phenomenon of electric field luminescence, and because a non-light-emitting device is not needed to be used as a light-emitting back plate, a light and thin flat panel display device can be manufactured, so that the organic light-emitting device is widely applied at present; for organic light emitting devices in which an organic film layer is prepared by a method requiring evaporation, as an evaporation source for evaporation, an induction heating evaporation source that becomes indirect heating is widely used, the evaporation source having a crucible containing an evaporation material and a heating member wound around the crucible and electrically heated, the heating member being generally heated using a filament wound around the crucible, the current heating member being mainly composed of a heating wire and an insulator, the heating wire having to be repeatedly passed through a hole of the insulator and bent, the assembly being difficult and time consuming, and repeated bending of the heating wire many times easily causing the durability of the heating wire itself to be weakened, and the assembly between the heating wire and the insulator to be deformed, so that the positions of the heating wire and the insulator cannot be maintained accurately.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a heating wire assembly and an evaporation source, wherein the heating wire assembly is simple and reliable to assemble, the assembly time is saved, the durability of a heating wire is improved, and the service life of the heating wire assembly is prolonged.
In order to achieve the purpose, the utility model provides the following technical scheme:
a heating wire assembly comprising:
the heating part comprises a plurality of strip-shaped heating wires which are arranged at intervals in the circumferential direction of an axis, each strip-shaped heating wire is arranged in parallel with the axis, and a head part and a tail part along the arrangement direction of the strip-shaped heating wires are respectively formed by two adjacent strip-shaped heating wires in the plurality of strip-shaped heating wires; in every three adjacent strip heating wires, the top end of the middle strip heating wire is connected with the top end of the strip heating wire on one side through a first connecting part, and the bottom end of the middle strip heating wire is connected with the bottom end of the strip heating wire on the other side through a second connecting part; the free end of the strip-shaped heating wire as the head part and the free end of the strip-shaped heating wire as the tail part form an electric connection end used for being connected with an external power supply component respectively;
the fixing assembly comprises at least one first annular fixing frame, a first strip-shaped through groove in one-to-one correspondence with the first connecting portion is formed in the first annular fixing frame, the first strip-shaped through groove is used for enabling the first connecting portion to penetrate through and pass through two strip heating wires connected with the first connecting portion in a clamped mode.
The heating wire in the utility model can be processed into a snake-shaped structure in advance, then the first annular fixing frame is directly installed at one end of the strip-shaped heating wires, the first connecting part and the two strip-shaped heating wires connected with the first connecting part are made to pass through the corresponding first strip-shaped through grooves, so that the assembly of the heating wire and the fixing component is simple and reliable, and the assembly time is shortened.
Optionally, the fixing assembly includes two first annular fixing frames, and the two first annular fixing frames are opposite and spaced apart from each other.
Optionally, the first strip-shaped through groove has a first arc-shaped structure, and the arc-shaped shape of the first arc-shaped structure is arranged along the arrangement direction of the strip-shaped heating wires.
Optionally, the free ends of the strip-shaped heating wires as the head and the tail are arranged along the same direction of the extending direction of the axis, and the bottom ends of the strip-shaped heating wires as the head and the tail respectively form the electrical connection ends.
Optionally, the free ends of the strip-shaped heating wires as the head part and the tail part are arranged along the extension direction of the axis in a different direction, and the bottom ends of the strip-shaped heating wires as the head part and the top ends of the strip-shaped heating wires as the tail part form the electrical connection ends respectively.
Optionally, the fixing assembly further comprises a second annular fixing frame, the second annular fixing frame is opposite to the first annular fixing frame and is arranged at intervals, a second strip-shaped through groove in one-to-one correspondence with the second connecting portion is formed in the second annular fixing frame, and the second strip-shaped through groove is used for enabling the second connecting portion to penetrate through and two strip-shaped heating wires connected with the second connecting portion.
Optionally, the second strip-shaped through groove has a second arc-shaped structure, and the arc-shaped shape of the second arc-shaped structure is arranged along the arrangement direction of the strip-shaped heating wires.
Optionally, when the electrical connection ends are respectively formed at the bottom ends of the strip-shaped heating wires as the head part and the tail part, through grooves which are in one-to-one correspondence with the two electrical connection ends and through which the electrical connection ends pass are formed in the second annular fixing frame.
Optionally, as the bottom of the strip heater strip of prelude and as the top of the strip heater strip of afterbody forms respectively when the electricity is connected the end, be equipped with on the first cyclic annular mount with regard to as the first through-hole that the top of the strip heater strip of afterbody corresponds, first through-hole is used for as the top of the strip heater strip of afterbody passes, be equipped with on the second cyclic annular mount with regard to as the second through-hole that the bottom of the strip heater strip of prelude corresponds, the second through-hole is used for as the bottom of the strip heater strip of prelude passes.
Optionally, the strip-shaped heating wire, the first connection portion and the second connection portion have an integrated structure.
The utility model also provides an evaporation source which comprises a crucible and any heating wire assembly provided by the technical scheme.
Drawings
Fig. 1 is a schematic structural diagram of a heating wire assembly according to an embodiment of the present invention;
fig. 2 is an exploded view of a heating wire assembly according to an embodiment of the present invention;
FIG. 3 is a schematic view of a partial structure of a heating wire assembly according to an embodiment of the present invention;
FIG. 4 is a partial schematic view of a heater wire assembly according to an embodiment of the present invention;
FIG. 5 is a schematic view of a partial structure of a heating wire assembly according to an embodiment of the present invention;
FIG. 6 is a schematic view of a partial structure of a heating wire assembly according to an embodiment of the present invention;
icon: 1-heating part; 2-a first annular fixing frame; 3-a second annular fixing frame; 11-strip-shaped heating wires; 12-a first connection; 13-a second connection; 11 a-header; 11 b-tail; 21-a first bar channel; 31-second strip-shaped through grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, 2 and 6, an embodiment of the present invention provides a heating wire assembly, which includes a heating portion 1 and a fixing assembly for assembling and connecting with the heating portion 1, and the fixing assembly can firmly support the heating portion 1, wherein, in particular, the heating portion 1 includes a plurality of strip-shaped heating wires 11, the plurality of strip-shaped heating wires 11 are sequentially arranged at intervals around a circumferential direction of an axis, each strip-shaped heating wire 11 is arranged parallel to the axis, the plurality of heating wires can be wound around a crucible to heat the crucible, wherein, in the arrangement direction of the plurality of strip-shaped heating wires 11, two adjacent strip-shaped heating wires 11 of the plurality of strip-shaped heating wires 11 form a head portion 11a and a tail portion 11b which are arranged, respectively, and in a direction from the head portion 11a to the tail portion 11b through the plurality of strip-shaped heating wires 11, every adjacent three strip-shaped heating wires 11, the top end of the middle strip-shaped heating wire 11 is connected with the top end of the strip-shaped heating wire 11 at one side through a first connecting part 12, and the bottom end of the middle strip-shaped heating wire 11 is connected with the bottom end of the strip-shaped heating wire 11 at the other side through a second connecting part 13; the free ends of the strip-shaped heating wires 11 as the head part 11a and the free ends of the strip-shaped heating wires 11 as the tail part 11b respectively form electric connection ends for being connected with an external power supply component, namely, the strip-shaped heating wires 11 are sequentially connected through a first connection part 12 and a second connection part 13 to form a snake-shaped structure as a whole; specifically, the first connecting portion 12 may be an arc connecting wire, the second connecting portion 13 may also be an arc connecting wire, and the first connecting portion 12 and the two strip-shaped heating wires 11 connected thereto may be of an integrated structure, and the second connecting portion 13 and the two strip-shaped heating wires 11 connected thereto may also be of an integrated structure, that is, the middle strip-shaped heating wire 11 and the first connecting portion 12 and the second connecting portion 13 connected thereto are both of an integrated structure, so that the overall serpentine structure is of an integrated structure, and may be formed by sequentially bending and molding the overall heating wire to form a heating wire having a serpentine structure, and the first connecting portion 12 and the second connecting portion 13 are both parts of heating wires, and are only used for forming the serpentine structure to be in a bending state to form a bending local heating wire; or, the first connecting portion 12, the second connecting portion 13 and the strip-shaped heating wire 11 may also be non-integrated structures, however, the first connecting portion 12, the strip-shaped heating wire 11 and the second connecting portion 13 are sequentially connected and may be electrically conductive, and a plurality of the first connecting portions 12, the strip-shaped heating wires 11 and the second connecting portions 13 are sequentially connected to form a serpentine structure around the crucible; wherein, the serpentine structure can conduct electricity and generate heat, the serpentine structure can surround the crucible to heat, in order to fix the shape of the serpentine structure, a fixing component can be installed on the serpentine structure, the fixing component is made of insulating material, the fixing component comprises at least one first annular fixing frame 2, a first strip-shaped through groove 21 corresponding to the first connecting part 12 one by one is arranged on the first annular fixing frame 2, the first strip-shaped through groove 21 is used for the first connecting part 12 to pass through and is clamped with two strip-shaped heating wires 11 connected with the first connecting part 12 passing through, the width of the first strip-shaped through groove 21 is greater than the diameter of the strip-shaped heating wires 11, the first connecting part 12 and the strip-shaped heating wires 11 can conveniently pass through, a certain gap is arranged between the first strip-shaped through groove 21 and the strip-shaped heating wires 11, when the device is in operation, the thermal expansion of the strip-shaped heating wires 11 can not damage the first annular fixing frame 2, can keep the original shape of the self; the first annular fixing frame 2 can be installed at one end of the plurality of strip-shaped heating wires 11, which is provided with the first connecting portion 12, the first connecting portion 12 penetrates through the first strip-shaped through groove 21, the two strip-shaped heating wires 11 connected with the first connecting portion 12 also penetrate through the first strip-shaped through groove 21, at least one side surface of each strip-shaped heating wire 11 is in contact with and clamped with the inner side surface of the first strip-shaped through groove 21, the first annular fixing frame 2 can clamp the plurality of strip-shaped heating wires 11, the shapes of the plurality of strip-shaped heating wires 11 are stable, moreover, the heating wires in the embodiment of the utility model can be processed into a snake-shaped structure in advance, then the first annular fixing frame 2 is directly installed at one end of the plurality of strip-shaped heating wires 11, the first connecting portion 12 and the two strip-shaped heating wires 11 connected with the first connecting portion 12 penetrate through the corresponding first strip-shaped through grooves 21, and the heating wires and the fixing components are simple and reliable to assemble, the equipment is convenient, shortens the assemble duration, in addition, compares in prior art, when using whole heater strip bending type to become heating portion, the utility model discloses in advance with the heater strip directly process into around the snakelike structure that an axis encircleed, avoid in order to assemble with fixed subassembly and reciprocal the buckling, need not to carry out a lot of bending, be favorable to improving the durability of heater strip, prolong heater strip subassembly's life to the great heater strip of diameter, be difficult for bending, the processing is buckled in advance and is formed snakelike structure and carry out the erection joint of fixed subassembly again, changes in the equipment.
In a possible embodiment, as shown in fig. 3, the fixing assembly may include two first annular fixing frames 2, and the two first annular fixing frames 2 are opposite and spaced apart from each other. Two first cyclic annular mounts 2 all connect the one end installation of first connecting portion 12 at a plurality of bar heater strips 11, make a plurality of bar heater strips 11 insert in proper order two first cyclic annular mounts 2 in the first bar groove 21 that corresponds, two first cyclic annular mounts 2 intervals set up, block with a plurality of bar heater strips 11 are fixed simultaneously, the overall structure of a plurality of bar heater strips 11 that can be better firm improves whole serpentine structure's stability.
Wherein, to the shape that first bar led to groove 21, a plurality of bar heater strip 11 can be arranged in proper order along the circumference of axis, namely arrange the round along the curved line of arc, it is easier to lead to the groove 21 and the better cooperation joint of two bar heater strip 11 that pass in order to make first bar, also pass first bar in order to make two bar heater strip 11 that pass and lead to groove 21, it is first arc structure to set up first bar and lead to groove 21, and the arc shape of first arc structure extends the setting along bar heater strip 11 direction of arrangement, the arc shape of first arc structure and the cooperation of the curved line direction of arranging of bar heater strip 11, make first cyclic annular mount assemble with snakelike structure more easily, further save assembly time.
With reference to fig. 1, as shown in fig. 4, in a possible embodiment, the fixing assembly further includes a second annular fixing frame 3, and the fixing assembly may be composed of a first annular fixing frame 2 and a second annular fixing frame 3, the second annular fixing frame 3 is opposite to the first annular fixing frame 2 and is disposed at an interval, a second strip-shaped through slot 31 corresponding to the second connecting portion 13 in a one-to-one manner is disposed on the second annular fixing frame 3, and the second strip-shaped through slot 31 is used for the second connecting portion 13 to pass through and is clamped with two strip-shaped heating wires 11 connected to the second connecting portion 13 passing through. When the equipment, first cyclic annular mount 2 is installed in the one end that bar heater strip 11 connects first connecting portion 12, and the second cyclic annular mount 3 is installed in the one end that bar heater strip 11 connects second connecting portion 13, and the shape of holistic snakelike structure can be fixed to first cyclic annular mount and the cyclic annular mount of second, and convenient assembling.
Specifically, the whole connected heating wires are left with one end at the head part 11a and the tail part 11b as a free end, respectively, which can be extended for connection with an external power supply component, wherein, as for the arrangement of the electrical connection ends of the strip heating wires 11 at the head part 11a and the tail part 11b, as shown in fig. 4, the free end of the strip heating wire 11 as the head part 11a and the free end of the strip heating wire 11 as the tail part 11b can be arranged along the same direction of the extension direction of the axis, and the bottom end of the strip heating wire 11 as the head part 11a and the bottom end of the strip heating wire 11 as the tail part 11b form the electrical connection ends, respectively. The free ends of the two strip-shaped heating wires 11 of the head part 11a and the tail part 11b are arranged in the same direction, so that the connection with an external power supply part is facilitated; wherein, to setting up two free ends of leader part 11a and afterbody 11b in the direction towards second connecting portion 13, to the setting of the second annular mount 3 in the fixed subassembly, can set up on second annular mount 3 except setting up the second bar that corresponds with second connecting portion 13 and lead to groove 31, still set up with two electric connection end one-to-one and be used for two solitary logical grooves that electric connection end passed, or, also set up a second bar and lead to groove 31 in the position that two electric connection ends correspond, two electric connection ends pass in this second bar is led to groove 31, the shape of whole snakelike structure of fixed that can be better.
Alternatively, as shown in fig. 5, the free ends of the strip-shaped heating wires 11 as the head portions 11a and the free ends of the strip-shaped heating wires 11 as the tail portions 11b are arranged in opposite directions along the extending direction of the axis, and the bottom ends of the strip-shaped heating wires 11 as the head portions 11a and the top ends of the strip-shaped heating wires 11 as the tail portions 11b form electrical connection ends, respectively. The free ends of the two strip-shaped heating wires 11 of the head part 11a and the tail part 11b are arranged in different directions, that is, the electric connection end of the strip-shaped heating wire 11 of the head part 11a faces the direction of the second connection part 13, and the electric connection end of the strip-shaped heating wire 11 of the tail part 11b faces the direction of the first connection part 12, for the arrangement of the fixing component, if the fixing component is composed of two first annular fixing frames 2, the first annular fixing frame 2 is provided with a first through hole corresponding to the top end of the strip-shaped heating wire 11 serving as the tail part 11b, and the first through hole is used for the top end of the strip-shaped heating wire 11 serving as the tail part 11b to pass through; if the fixing component comprises a first annular fixing frame 2 and a second annular fixing frame 3, a first through hole corresponding to the top end of the strip-shaped heating wire 11 serving as the tail part 11b is formed in the first annular fixing frame 2, the first through hole is used for enabling the top end of the strip-shaped heating wire 11 serving as the tail part 11b to pass through, a second through hole corresponding to the bottom end of the strip-shaped heating wire 11 serving as the head part 11a is formed in the second annular fixing frame 3, and the second through hole is used for enabling the bottom end of the strip-shaped heating wire 11 serving as the head part 11a to pass through. Can be more firm with a plurality of bar heater strip 11 assemble the joint, stability is better.
The utility model also provides an evaporation source, which comprises a crucible, any one of the heating wire assemblies provided in the embodiments and a power supply part electrically connected with the heating wire assembly, wherein the heating wire assembly is arranged around the crucible and can heat the crucible.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (11)
1. A heating wire assembly, comprising:
the heating part comprises a plurality of strip-shaped heating wires which are arranged at intervals in the circumferential direction of an axis, each strip-shaped heating wire is arranged in parallel with the axis, and a head part and a tail part along the arrangement direction of the strip-shaped heating wires are respectively formed by two adjacent strip-shaped heating wires in the plurality of strip-shaped heating wires; in every three adjacent strip heating wires, the top end of the middle strip heating wire is connected with the top end of the strip heating wire on one side through a first connecting part, and the bottom end of the middle strip heating wire is connected with the bottom end of the strip heating wire on the other side through a second connecting part; the free end of the strip-shaped heating wire as the head part and the free end of the strip-shaped heating wire as the tail part form an electric connection end used for being connected with an external power supply component respectively;
the fixing assembly comprises at least one first annular fixing frame, a first strip-shaped through groove in one-to-one correspondence with the first connecting portion is formed in the first annular fixing frame, the first strip-shaped through groove is used for enabling the first connecting portion to penetrate through and pass through two strip heating wires connected with the first connecting portion in a clamped mode.
2. The heating wire assembly according to claim 1, wherein the fixing assembly comprises two first annular mounts, which are arranged opposite and spaced apart.
3. The heater wire assembly as recited in claim 1, wherein the first through slot has a first arc-shaped configuration, and the arc-shape of the first arc-shaped configuration is disposed along the arrangement direction of the strip-shaped heater wires.
4. The heating wire assembly as recited in claim 1, wherein the free ends of the strip-shaped heating wires as the head portion and the free ends of the strip-shaped heating wires as the tail portion are arranged in the same direction as the extending direction of the axis, and the bottom ends of the strip-shaped heating wires as the head portion and the tail portion respectively form the electrical connection ends.
5. The heating wire assembly as recited in claim 1, wherein the free ends of the strip-shaped heating wires as the head portion and the free ends of the strip-shaped heating wires as the tail portion are arranged in opposite directions along the extension direction of the axis, and the electrical connection ends are formed at the bottom ends of the strip-shaped heating wires as the head portion and the top ends of the strip-shaped heating wires as the tail portion, respectively.
6. The heating wire assembly according to any one of claims 1 to 5, wherein the fixing assembly further comprises a second annular fixing frame, the second annular fixing frame is opposite to the first annular fixing frame and is arranged at intervals, a second strip-shaped through groove corresponding to the second connecting portion in a one-to-one manner is arranged on the second annular fixing frame, and the second strip-shaped through groove is used for the second connecting portion to pass through and is clamped with two strip-shaped heating wires connected with the second connecting portion passing through.
7. The heater wire assembly as recited in claim 6, wherein the second elongated through slot has a second arc-shaped configuration, and the arc-shaped configuration of the second arc-shaped configuration is arranged along the direction in which the elongated heater wires are arranged.
8. The heating wire assembly as recited in claim 6, wherein, when the electrical connection terminals are formed at the bottom ends of the strip-shaped heating wires as the head part and the tail part, respectively, the second annular fixing frame is provided with through grooves corresponding to the two electrical connection terminals one by one and used for the electrical connection terminals to pass through.
9. The heater strip assembly as claimed in claim 6, wherein when the electrical connection terminals are formed at the bottom end of the strip heater of the head part and the top end of the strip heater of the tail part, respectively, the first annular fixing frame is provided with a first through hole corresponding to the top end of the strip heater of the tail part, the first through hole is used for the top end of the strip heater of the tail part to pass through, the second annular fixing frame is provided with a second through hole corresponding to the bottom end of the strip heater of the head part, and the second through hole is used for the bottom end of the strip heater of the head part to pass through.
10. The heating wire assembly according to claim 1, wherein the strip-shaped heating wire, the first connection and the second connection have an integral structure.
11. An evaporation source, comprising a crucible and a heating wire assembly according to any of claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122253002.XU CN215906270U (en) | 2021-09-16 | 2021-09-16 | Heating wire assembly and evaporation source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122253002.XU CN215906270U (en) | 2021-09-16 | 2021-09-16 | Heating wire assembly and evaporation source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215906270U true CN215906270U (en) | 2022-02-25 |
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ID=80309879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122253002.XU Active CN215906270U (en) | 2021-09-16 | 2021-09-16 | Heating wire assembly and evaporation source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215906270U (en) |
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2021
- 2021-09-16 CN CN202122253002.XU patent/CN215906270U/en active Active
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Address after: 230013 Southwest District of Hefei City, Anhui Province Patentee after: Hefei xinyihua Intelligent Machine Co.,Ltd. Address before: 230013 Southwest District of Hefei City, Anhui Province Patentee before: HEFEI SINEVA INTELLIGENT MACHINE Co.,Ltd. |