CN219459320U - Constant temperature heating device - Google Patents
Constant temperature heating device Download PDFInfo
- Publication number
- CN219459320U CN219459320U CN202320289486.XU CN202320289486U CN219459320U CN 219459320 U CN219459320 U CN 219459320U CN 202320289486 U CN202320289486 U CN 202320289486U CN 219459320 U CN219459320 U CN 219459320U
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- constant temperature
- heat insulation
- heating rod
- insulation seat
- heating
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Abstract
The utility model aims to provide a constant-temperature heating device which has compact overall structure, high temperature resistance, extremely high fatigue life and high temperature circuit breaking function. The utility model comprises a heating rod, a constant temperature plate and a heat insulation seat, wherein the constant temperature plate is arranged on the heat insulation seat, a through hole matched with the heating rod is formed in the constant temperature plate, the heating rod is inserted from one end of the through hole to the other end of the through hole, and the heating rod is connected with an external power supply. The utility model is applied to the technical field of chip packaging.
Description
Technical Field
The utility model is applied to the technical field of chip packaging, and particularly relates to a constant-temperature heating device.
Background
At present, the high temperature and constant temperature heating table is used in various fields such as materials, chemical industry, semiconductors and the like in providing stable and heated uniform high temperature plane utility, and the glue for curing epoxy resin is an important process for packaging chips, so that a heating device is required to be installed on a station for curing equipment, the high temperature and constant temperature heating table on the market generally adopts an aluminum alloy table top, or a stainless steel heating table top is customized for a scene with corrosion, the mode is limited by that the thermal conductivity of the materials has uneven local temperature distribution, the heated object is easy to warp or deform under the scene of high temperature uniformity, and even the product is locally invalid due to uneven temperature under the scene of semiconductor curing. Another part of customized table tops adopts red copper or ceramic materials as heating table tops, under the condition of high-temperature heating, the materials are heated to linearly expand, so that the surface flatness of the heating table is changed, and fatigue deformation or failure of the materials is caused when the temperature is repeatedly increased and decreased or the constant temperature time is longer. Meanwhile, the existing heating table lacks protection for temperature runaway, and potential safety hazards exist under high temperature conditions.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the constant-temperature heating device which has the advantages of compact overall structure, high temperature resistance, extremely high fatigue life and high-temperature circuit breaking function.
The technical scheme adopted by the utility model is as follows: the utility model comprises a heating rod, a constant temperature plate and a heat insulation seat, wherein the constant temperature plate is arranged on the heat insulation seat, a through hole matched with the heating rod is formed in the constant temperature plate, the heating rod is inserted from one end of the through hole to the other end of the through hole, and the heating rod is connected with an external power supply.
According to the scheme, the heating rod is used as a heating source of the constant temperature heating device, one end of the through hole is a wiring end, the other end of the through hole is a radiating end, when the heating rod is electrified, heat generated by the heating rod is emitted at the radiating end to meet a target needing to be heated, the heat insulation seat plays a role in heat insulation of the constant temperature plate, the constant temperature plate adopts beryllium copper as a constant temperature heating table surface, nickel plating treatment is performed on the surface of the constant temperature plate, the constant temperature plate has extremely high corrosion resistance, and is favorable for temperature uniformity of the constant temperature plate, in addition, the thermal expansion coefficient of the beryllium copper is smaller than that of red copper, and due to the red copper, even though deformation is extremely small under a high-temperature condition, the fatigue life is extremely high, and the temperature uniformity and the surface flatness of the table surface are improved.
In one preferable scheme, the longitudinal section of the heat insulation seat is concave, the constant temperature plate is arranged in the concave of the heat insulation seat, and the heat insulation seat wraps the bottom end and the side end of the constant temperature plate.
In one preferred scheme, the constant temperature heating device further comprises a temperature fuse, a mounting groove is formed in the concave portion of the heat insulation seat, the temperature fuse is arranged in the mounting groove, and the temperature fuse is connected with a loop of the heating rod in series.
The constant temperature heating device is characterized by further comprising a thermocouple, a fixing seat is arranged at one end, close to the junction of the heating rod, of the heat insulation seat, a heat conduction groove is formed in the constant temperature plate, the heat conduction groove is parallel to the through hole, the thermocouple is fixed on the fixing seat, and the induction end of the thermocouple is arranged in the heat conduction groove.
In one preferred scheme, the concave part of the heat insulation seat is provided with a plurality of locating pins, the bottom end of the constant temperature plate is provided with a plurality of locating holes, and the locating pins are in limit fit with the locating holes.
Drawings
FIG. 1 is a schematic perspective view of a first angle of the present utility model;
FIG. 2 is a schematic perspective view of a second angle of the present utility model;
FIG. 3 is a schematic perspective view of the thermostatic plate;
fig. 4 is a schematic perspective view of the heat insulation seat.
Detailed Description
As shown in fig. 1 to 3, in the present embodiment, the present utility model includes a heating rod 1, a thermostatic board 2, and a heat insulation base 3, the thermostatic board 2 is disposed on the heat insulation base 3, the thermostatic board 2 is provided with a through hole 4 adapted to the heating rod 1, the heating rod 1 is inserted from one end of the through hole 4 to the other end of the through hole 4, and the heating rod 1 is connected with an external power supply. The constant temperature plate 2 adopts beryllium copper material as the heating mesa, the thermal-insulated seat 3 adopts lamination glass fiber resin thermal-insulated material, even under 280 ℃ high temperature scene, also can insulate against heat for a long time, satisfies 30 mm's thickness condition, and thermal-insulated face temperature is less than 60 ℃, has avoided through design and the cost of other cooling structure, constant temperature heating device is favorable to improving mesa temperature homogeneity and surface smoothness, and fatigue life is high, avoids heating rod 1 under the circumstances of high temperature heating, and the material is heated and takes place linear expansion, causes heating bench surface smoothness to change, prevents repeated temperature rise and drop or constant temperature time longer, leads to the material to take place fatigue deformation or inefficacy and produces the crackle.
As shown in fig. 4, in this embodiment, the longitudinal section of the heat insulation seat 3 is concave, the heat insulation plate 2 is disposed in a recess of the heat insulation seat 3, and the heat insulation seat 3 wraps the bottom end and the side end of the heat insulation plate 2, so that the overall structure of the constant temperature heating device is compact, the occupied space of the device is reduced, and the heat insulation device is suitable for any use environment and further enhances the heat insulation effect of the heat insulation seat 3.
As shown in fig. 4, in this embodiment, the constant temperature heating device further includes a thermal fuse 6, a recess of the heat insulation seat 3 is provided with a mounting groove 7, the thermal fuse 6 is disposed in the mounting groove 7, and the thermal fuse 6 is connected in series with the loop of the heating rod 1. The temperature fuse 6 has a high-temperature breaking function, and can effectively cut off a heating loop of the heating rod 1 when exceeding the upper limit of temperature protection, so that the temperature is prevented from being out of control, and the safety is effectively improved.
As shown in fig. 2, in this embodiment, the constant temperature heating device further includes a thermocouple 8, a fixing seat 9 is disposed at one end of the heat insulation seat 3 near the connection point of the heating rod 1, the constant temperature plate 2 is provided with a heat conducting slot 10, the heat conducting slot 10 is parallel to the through hole 4, the thermocouple 8 is fixed on the fixing seat 9, and an induction end of the thermocouple 8 is disposed in the heat conducting slot 10. The thermocouple 8 is locked on the fixing seat 9 through M6 threads, the heat conducting groove 10 is a temperature monitoring point and provides an external driving circuit temperature and a soft protection signal, and the temperature monitoring soft protection of the thermocouple 8 can play a role in double protection and stop potential safety hazards.
As shown in fig. 4, in this embodiment, a plurality of positioning pins 11 are disposed in the recess of the heat insulation seat 3, a plurality of positioning holes are formed in the bottom end of the thermostatic board 2, and the positioning pins 11 are in spacing fit with the positioning holes, so as to realize accurate positioning of the thermostatic board 2 and the heat insulation seat 3.
Claims (5)
1. Constant temperature heating device, including heating rod (1), its characterized in that: the constant temperature heating device comprises a constant temperature plate (2) and a heat insulation seat (3), wherein the constant temperature plate (2) is arranged on the heat insulation seat (3), a through hole (4) matched with the heating rod (1) is formed in the constant temperature plate (2), the heating rod (1) is inserted into one end of the through hole (4) to the other end of the through hole (4), and the heating rod (1) is connected with an external power supply.
2. A constant temperature heating apparatus according to claim 1, wherein: the longitudinal section of the heat insulation seat (3) is concave, the constant temperature plate (2) is arranged in the concave of the heat insulation seat (3), and the heat insulation seat (3) wraps the bottom end and the side end of the constant temperature plate (2).
3. A constant temperature heating apparatus according to claim 1, wherein: the constant temperature heating device further comprises a temperature fuse (6), a mounting groove (7) is formed in the concave part of the heat insulation seat (3), the temperature fuse (6) is arranged in the mounting groove (7), and the temperature fuse (6) is connected with a loop of the heating rod (1) in series.
4. A constant temperature heating apparatus according to claim 1, wherein: the constant temperature heating device further comprises a thermocouple (8), a fixing seat (9) is arranged at one end, close to the wiring position of the heating rod (1), of the heat insulation seat (3), a heat conduction groove (10) is formed in the constant temperature plate (2), the heat conduction groove (10) is parallel to the through hole (4), the thermocouple (8) is fixed on the fixing seat (9), and the induction end of the thermocouple (8) is arranged in the heat conduction groove (10).
5. A constant temperature heating apparatus according to claim 2, wherein: the concave part of the heat insulation seat (3) is provided with a plurality of positioning pins (11), the bottom end of the constant temperature plate (2) is provided with a plurality of positioning holes, and the positioning pins (11) are in limit fit with the positioning holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320289486.XU CN219459320U (en) | 2023-02-23 | 2023-02-23 | Constant temperature heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320289486.XU CN219459320U (en) | 2023-02-23 | 2023-02-23 | Constant temperature heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219459320U true CN219459320U (en) | 2023-08-01 |
Family
ID=87413626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320289486.XU Active CN219459320U (en) | 2023-02-23 | 2023-02-23 | Constant temperature heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219459320U (en) |
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2023
- 2023-02-23 CN CN202320289486.XU patent/CN219459320U/en active Active
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