CN210036086U - Hot air oven for photoelectric parts - Google Patents
Hot air oven for photoelectric parts Download PDFInfo
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- CN210036086U CN210036086U CN201920709809.XU CN201920709809U CN210036086U CN 210036086 U CN210036086 U CN 210036086U CN 201920709809 U CN201920709809 U CN 201920709809U CN 210036086 U CN210036086 U CN 210036086U
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Abstract
The utility model relates to a photoelectric component cleaning equipment technical field, concretely relates to hot-blast oven for photoelectric component. The hot air circulation box comprises an inner box body and an outer box body, wherein a circulation cavity is arranged between the inner box body and the outer box body, so that the circulation utilization rate of hot air is improved; the air outlet pipe is communicated with the inner box body and the circulating air pipe, so that the pressure of the inner box body can be relieved, a dehumidifying effect can be achieved, air with high humidity is dehumidified and dried by the dehumidifying device and then is guided into the inner box body by the circulating fan for recycling, and the drying effect is ensured; the air inlet pipe is connected with the air heater, so that the temperature difference between the inner box body and the outer box body is reduced, and materials in the inner box body are dried by hot air and resistance heating wires, so that the drying efficiency is improved; meanwhile, the inner box body is separated from the outer box body, so that the dust-free environment of the photoelectric parts in the inner box body is ensured; the heat reflection plate in the inner box body can reflect the heat of the inner box body back, and the heat loss is reduced.
Description
Technical Field
The utility model relates to a photoelectric component cleaning equipment technical field, concretely relates to hot-blast oven for photoelectric component.
Background
The parts used in the field of photoelectric technology often have high requirements for cleanliness, and tiny impurities and dust can affect the performance of semiconductors. Therefore, the cleaning and cleaning technology in the field of photoelectricity is a very important series of technologies, and many processes are completed in a clean room.
The hot air oven is widely suitable for precise baking, drying, tempering, preheating, sizing, processing and the like of electronics, motors, communication, electroplating, plastics, hardware chemical engineering, instruments, printing, pharmacy, PC boards, spraying, glass, woodware building materials and the like. When an existing photoelectric part is baked, the existing photoelectric part is usually placed in a common oven, and the existing photoelectric part is usually heated unevenly, poor in oven heat preservation performance and low in drying efficiency.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a hot air oven for photovoltaic components.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a hot air oven for photoelectric parts comprises an outer box body and an inner box body, wherein a bottom plate is arranged at the inner bottom end of the outer box body, and the inner box body is placed at the upper end of the bottom plate; the inner layer of the outer box body is provided with a heat preservation layer, the inner box body is provided with a heating cavity, and a heating resistance wire is arranged in the heating cavity; a circulating cavity is arranged between the inner box body and the outer box body, and a circulating air pipe is arranged in the circulating cavity; air inlet pipes are symmetrically arranged on two sides of the upper end of the outer box body, a filter screen is arranged at the inner end of each air inlet pipe and communicated with a circulating air pipe and a circulating cavity through a herringbone three-way pipe, and the outer ends of the air inlet pipes are connected with an air heater; an air outlet pipe is arranged at the top of the inner box body, one end of the air outlet pipe is communicated with the inner box body, and the other end of the air outlet pipe is communicated with a circulating air pipe; one end of the circulating air pipe is communicated with the top of the inner box body through an air outlet pipe, the other end of the circulating air pipe is communicated with the bottom of the inner box body through a circulating fan, and a dehumidifying device and the circulating fan are arranged on the circulating air pipe; the inner side wall of the inner box body is provided with a heat reflection plate, the heat reflection plate is provided with a clamping plate which is arranged in parallel up and down, and an object placing plate is clamped on the clamping plate; the top of the inner box body is also provided with a moisture exhaust pipe, and the outlet end of the moisture exhaust pipe is provided with a first regulating valve.
Preferably, the device further comprises a control device, and the control device is arranged on the front face of the outer box body.
Preferably, the circulating air pipes comprise a first circulating air pipe and a second circulating air pipe which are arranged in the circulating cavity, and the first circulating air pipe and the second circulating air pipe are symmetrically arranged on two sides of the air outlet pipe; the dehumidification device comprises a first dehumidification device and a second dehumidification device; the circulating fan comprises a first circulating fan and a second circulating fan; the first dehumidifying device and the first circulating fan are arranged on the first circulating air pipe, and the second dehumidifying device and the second circulating fan are arranged on the second circulating air pipe. The hot air in the inner box body enters the circulating air pipe through the air outlet pipe, is dehumidified and dried by the dehumidifying device and then returns to the inner box body again through the circulating fan for recycling.
Preferably, a cavity is arranged in the bottom plate, a plurality of ventilation holes communicated with the inner box body are formed in the cavity, and the first circulating air pipe and the second circulating air pipe are communicated with the cavity.
Preferably, a filter screen is arranged in each of the first dehumidifying device and the second dehumidifying device.
Preferably, the air inlet pipe is provided with an air inlet second regulating valve which is electrically connected with the control device. The air inlet volume is convenient to adjust.
Preferably, the top end of the outer box body is provided with a first pressure relief valve, and the first pressure relief valve is electrically connected with the control device. And safety accidents caused by overlarge pressure in the circulating cavity are prevented.
Preferably, the pressure relief pipe is communicated with the inner box body, a second pressure relief valve is arranged on the pressure relief pipe, and the second pressure relief valve is electrically connected with the control device.
Preferably, the article placing plate comprises an article placing groove and clamping edges positioned at two ends of the article placing groove, a plurality of ventilation holes are formed in the bottom end of the article placing groove, the cross section of each clamping edge is in a flat lying lower case figure 5, and the cross section of each clamping plate is in a flat lying L shape. The clamping and fixing are convenient and firm.
Preferably, a supporting cushion block is arranged between the bottom end of the bottom plate and the outer box body.
Preferably, the bottom end of the outer box body is provided with a universal wheel with a brake. Is convenient for moving and transporting.
The beneficial effects of the utility model reside in that: the utility model discloses a hot air oven for photoelectric parts, which comprises an inner box body and an outer box body, wherein a circulating cavity is arranged between the inner box body and the outer box body, thereby improving the circulating utilization rate of hot air; the air outlet pipe is communicated with the inner box body and the circulating air pipe, so that the pressure of the inner box body can be relieved, a dehumidifying effect can be achieved, air with high humidity is dehumidified and dried by the dehumidifying device and then is guided into the inner box body by the circulating fan for recycling, the heat loss is reduced, and the drying efficiency is improved; the air inlet pipe is connected with the air heater, so that the temperature difference between the inner box body and the outer box body is reduced, and materials in the inner box body are dried by hot air and resistance heating wires, so that the drying efficiency is improved; meanwhile, the inner box body is separated from the outer box body, so that the dust-free environment of the photoelectric parts in the inner box body is ensured; the heat reflection plate in the inner box body can reflect the heat of the inner box body back, so that the heat loss is reduced; the clamping plate and the object placing plate are conveniently and firmly clamped, and the arrangement of the vent holes on the object placing groove enables the photoelectric parts in the object placing groove to be uniformly heated during drying; simple structure, the practicality is strong.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a schematic view of the storage board structure of the present invention.
Wherein, 1-an outer box body, 2-an inner box body, 3-a circulating cavity, 4-a heat insulating layer, 5-a heating cavity, 6-a bottom plate, 61-a cavity, 7-an air inlet pipe, 71-an air inlet second regulating valve, 8-an air outlet pipe, 9-a circulating air pipe, 91-a first circulating air pipe, 92-a second circulating air pipe, 10-a heat reflection plate, 11-a clamping plate, 12-a placing plate, 121-a placing groove, 122-a clamping edge, 123-an air vent, 13-a first dehumidifying device, 14-a first circulating fan, 15-a second dehumidifying device, 16-a second circulating fan, 17-a filter screen, 18-a control device, 19-a dehumidifying pipe, 20-a first pressure release valve, 21-a hot air fan and 22-a pressure release pipe, 23-second pressure relief valve, 24-supporting cushion block and 25-universal wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention pertains. The use of the words "a" or "an" and the like in the description and claims of the present application do not denote a limitation of quantity, but rather denote the presence of at least one.
As shown in fig. 1, the hot air oven for photoelectric components of the present invention comprises an outer box 1 and an inner box 2, wherein a bottom plate 6 is disposed at the bottom end of the outer box 1, and the inner box 2 is disposed on the top of the bottom plate 6; the inner layer of the outer box body 1 is provided with a heat preservation layer 4, the inner box body 2 is provided with a heating cavity 5, and a heating resistance wire is arranged in the heating cavity 5; a circulating cavity 3 is arranged between the inner box body 2 and the outer box body 1; air inlet pipes 7 are symmetrically arranged on two sides of the upper end of the outer box body 1, a filter screen 13 is arranged at the inner end of each air inlet pipe 7 and communicated with the circulating cavity 3 and the circulating air pipe through a herringbone three-way pipe, and the outer end of each air inlet pipe 7 is connected with an air heater 21; the top end of the inner box body 2 is provided with an air outlet pipe 8, one end of the air outlet pipe 8 is communicated with the inner box body 2, the other end of the air outlet pipe 8 is communicated with a circulating air pipe, one end of the circulating air pipe is communicated with the top of the inner box body 2 through the air outlet pipe 8, the other end of the circulating air pipe is communicated with the bottom of the inner box body 2 through a circulating fan, and a dehumidifying device and the circulating fan are arranged on the circulating air pipe; a heat reflection plate 10 is arranged on the inner side wall of the inner box body 2, a clamping plate 11 which is arranged in parallel up and down is arranged on the heat reflection plate 10, and an object placing plate 12 is clamped on the clamping plate 11; the top of the inner box body 2 is also provided with a moisture exhaust pipe 19, the outlet end of the moisture exhaust pipe 19 is provided with a first regulating valve (not shown), and the top end of the moisture exhaust pipe 19, namely the outlet end, extends to the outer side of the top end of the outer box body 1.
The box body also comprises a control device 18, and the control device 18 is arranged on the front surface of the outer box body 1. The control device of this embodiment is PLC controlling means, including control panel, convenient operation, also can show power when the oven moves opens and stops, the start and stop of air heater, start and stop of circulating fan, real-time pressure value, real-time temperature value and humidity value isoparametric, makes things convenient for operating personnel to set up and adjust the operation simultaneously.
In order to facilitate monitoring and controlling the humidity in the inner box body, a humidity sensor (not shown) can be arranged in the inner box body 2, and the humidity sensor is electrically connected with the control device; the first regulating valve is always opened in the working process, the humidity value is preset, when the humidity in the inner box body exceeds a preset value, the control device controls the valve port of the first regulating valve of the humidity discharging pipe to be completely opened to perform humidity discharging treatment on the inner box body, and when the humidity reaches the range of the preset value, the control device controls the valve port of the first regulating valve to reach the state in the initial working process. The humidity preset value of the embodiment can be manually set by a user according to the use requirement, and is not limited. Meanwhile, the opening degree of the valve port of the first regulating valve during working can be set according to the use requirement when in use, and is not limited herein.
The air inlet pipe 7 is provided with an air inlet second adjusting valve 71, and the air inlet second adjusting valve 71 is electrically connected with the control device 18. The air inlet volume is convenient to adjust.
The top end of the outer box body 1 is provided with a first pressure relief valve 20, and the first pressure relief valve 20 is electrically connected with the control device 18 and used for relieving pressure in the outer box body 1. And safety accidents caused by overlarge pressure in the circulating cavity are prevented. In order to monitor the pressure of the oven conveniently, pressure sensors can be arranged in the inner box body and the circulating cavity, the pressure sensors are electrically connected with the control device, the allowable pressure value during working is preset, when the allowable pressure value exceeds a preset pressure value, the control device controls the pressure release valve to be opened to release pressure, the pressure in the inner box body 2 and the pressure in the circulating cavity 3 are guaranteed to be within a normal range, and the working safety of the oven is guaranteed. The preset pressure value of this embodiment can be manually set by a user according to the use requirement, and is not limited.
The air outlet pipe 8 is horn-shaped; the circulating air pipes comprise a first circulating air pipe 91 and a second circulating air pipe 92 which are arranged in the circulating cavity 3, and the first circulating air pipe 91 and the second circulating air pipe 92 are symmetrically arranged on two sides of the air outlet pipe 8; the dehumidification device comprises a first dehumidification device 13 and a second dehumidification device 15; the circulation fan comprises a first circulation fan 14 and a second circulation fan 16; the first dehumidifying device 13 and the first circulation fan 14 are disposed on the first circulation duct 91, and the second dehumidifying device 15 and the second circulation fan 16 are disposed on the second circulation duct 92. During the process that the hot air in the inner box body 2 rises, part of the air can go out through the air outlet pipe 8 and is divided into two paths after going out, one path of the air enters the first circulating air pipe 91, is dehumidified by the first dehumidifying device 13 and then returns to the inner box body 2 again by the first circulating fan 14 for cyclic utilization, and the other path of the air enters the second circulating air pipe 92, is dehumidified and dried by the second dehumidifying device 15 and then returns to the inner box body 2 again by the second circulating fan 16 for cyclic utilization.
A cavity 61 is formed in the bottom plate 6, a plurality of ventilation holes (shown schematically) communicated with the inner box body are formed in the cavity, and the first circulating air pipe 91 and the second circulating air pipe 92 are communicated with the cavity 61, that is, the first circulating air pipe 91 and the second circulating air pipe 92 are communicated with the bottom of the inner box body through the cavity of the bottom plate. In other alternative embodiments, the first circulation air duct 91 and the second circulation air duct 92 can be directly communicated with the inner box 2 after connecting the first circulation fan 14 and the second circulation fan 16, respectively, without communicating with the inner box 2 through the bottom plate 6 and the inner cavity 61 thereof. The vent holes of the embodiment can be round holes, square holes or strip-shaped holes and the like; the arrangement is not limited herein.
And filter screens 17 are arranged in the first dehumidifying device 13 and the second dehumidifying device 15. The dehumidifying device can be an existing dehumidifying device, a dehumidifying drying agent is arranged in the dehumidifying device, and the structure and the working principle of the dehumidifying drying agent are not described and limited herein.
The pressure relief pipe 22 is communicated with the inner box body 2, a second pressure relief valve 23 is arranged on the pressure relief pipe 22, and the second pressure relief valve 23 is electrically connected with the control device 18.
As shown in fig. 2, the storage plate 12 includes a storage groove 121 and clamping edges 122 located at two ends of the storage groove 121, a plurality of ventilation holes 123 are disposed at the bottom end of the storage groove 121, the cross section of the clamping edge 122 is a flat lying lowercase number 5, and the cross section of the clamping plate 11 is a flat lying L-shaped. The clamping and fixing are convenient and firm.
And a supporting cushion block 24 is arranged between the bottom end of the bottom plate 6 and the outer box body 1.
The bottom end of the outer box body 1 is provided with a universal wheel 25 with a brake. Is convenient for moving and transporting.
The utility model discloses a theory of operation that is used for hot-blast oven of photoelectric component: firstly, taking the object placing plate 12 out of the inner box body 2, placing the photoelectric part to be dried on the object placing plate 12 or directly placing the photoelectric part to be dried on the object placing plate 12 of the inner box body 2, closing the door of the inner box body 2, switching on a power supply, electrifying and heating a resistance wire in the heating cavity 5 to heat the inner box body 2, raising the temperature of the inner box body 2, heating and drying the photoelectric part to be dried, conveying hot air into the circulating air pipe and the circulating cavity 3 by the hot air fan 21 through the air inlet pipe 7, balancing the temperature difference between the inner box body and the outer box body by the hot air entering the circulating cavity 3, and simultaneously reducing moisture in the circulating cavity 3; hot air entering the circulating air pipe is sucked into the inner box body 2 under the action of the circulating fan, so that the temperature in the inner box body 2 is further increased, and the drying process is accelerated; the hot air rises in the inner box body 2, enters the horn-shaped air outlet pipe 8, is divided into two paths and then enters the first circulating air pipe 91 and the second circulating air pipe 92 respectively, the hot air at the moment has more moisture, and after being dehumidified and dried by the first dehumidifying device 13 and the second dehumidifying device 15, the hot air enters the inner box body 2 again under the action of the first circulating fan 14 and the second circulating fan 16 respectively for cyclic utilization, so that the utilization rate of energy is improved, the heat loss is reduced, and the drying efficiency is improved; the hot steam generated in the inner box body 2 can be discharged through the moisture exhaust pipe 19, thereby reducing the moisture in the inner box body 2 and accelerating the drying process. The hot air circulation path is shown by the arrows in the figure.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art will understand that modifications and equivalent substitutions can be made to the technical solution of the present invention without departing from the scope of the technical solution of the present invention, and all of them shall be covered by the scope of the claims of the present invention.
Claims (10)
1. A hot air oven for photoelectric parts is characterized by comprising an outer box body and an inner box body, wherein a bottom plate is arranged at the inner bottom end of the outer box body, and the inner box body is placed at the upper end of the bottom plate; the inner layer of the outer box body is provided with a heat preservation layer, the inner box body is provided with a heating cavity, and a heating resistance wire is arranged in the heating cavity; a circulating cavity is arranged between the inner box body and the outer box body, and a circulating air pipe is arranged in the circulating cavity; air inlet pipes are symmetrically arranged on two sides of the upper end of the outer box body, a filter screen is arranged at the inner end of each air inlet pipe and communicated with a circulating air pipe and a circulating cavity through a herringbone three-way pipe, and the outer ends of the air inlet pipes are connected with an air heater; an air outlet pipe is arranged at the top of the inner box body, one end of the air outlet pipe is communicated with the inner box body, and the other end of the air outlet pipe is communicated with a circulating air pipe; one end of the circulating air pipe is communicated with the top of the inner box body through an air outlet pipe, the other end of the circulating air pipe is communicated with the bottom of the inner box body through a circulating fan, and a dehumidifying device and the circulating fan are arranged on the circulating air pipe; the inner side wall of the inner box body is provided with a heat reflection plate, the heat reflection plate is provided with a clamping plate which is arranged in parallel up and down, and an object placing plate is clamped on the clamping plate; the top of the inner box body is also provided with a moisture exhaust pipe, and the outlet end of the moisture exhaust pipe is provided with a first regulating valve.
2. The hot air oven for the optoelectronic component as claimed in claim 1, further comprising a control device, wherein the control device is disposed on the front surface of the outer case.
3. The hot air oven for the optoelectronic component as claimed in claim 2, wherein the circulating air ducts comprise a first circulating air duct and a second circulating air duct disposed in the circulating cavity, and the first circulating air duct and the second circulating air duct are symmetrically disposed at two sides of the air outlet duct; the dehumidification device comprises a first dehumidification device and a second dehumidification device; the circulating fan comprises a first circulating fan and a second circulating fan; the first dehumidifying device and the first circulating fan are arranged on the first circulating air pipe, and the second dehumidifying device and the second circulating fan are arranged on the second circulating air pipe.
4. The hot air oven for the optoelectronic component as claimed in claim 3, wherein a cavity is formed in the bottom plate and a plurality of vent holes communicated with the inner box are formed in the bottom plate, and the first and second circulating air ducts are communicated with the cavity.
5. The hot air oven for the optoelectronic component as claimed in claim 4, wherein a filter screen is disposed in each of the first and second dehumidifying apparatuses.
6. The hot air oven for optoelectronic components as claimed in claim 5, wherein said air inlet pipe is provided with a second air inlet adjusting valve, and said second air inlet adjusting valve is electrically connected to said control device.
7. The hot air oven for the optoelectronic component as claimed in claim 6, wherein a first pressure relief valve is disposed at a top end of the outer box, and the first pressure relief valve is electrically connected to the control device.
8. The hot air oven for the optoelectronic component as claimed in claim 7, further comprising a pressure relief pipe, wherein the pressure relief pipe is communicated with the inner box body, and a second pressure relief valve is disposed on the pressure relief pipe and electrically connected to the control device.
9. The hot air oven for the optoelectronic component as claimed in any one of claims 1 to 8, wherein the object placing plate comprises an object placing groove and clamping edges at two ends of the object placing groove, the bottom end of the object placing groove is provided with a plurality of vent holes, the cross section of the clamping edge is a lower case number 5 lying flat, and the cross section of the clamping plate is an L-shaped hole lying flat.
10. The hot air oven for photovoltaic components of claim 9, wherein a spacer is disposed between the bottom end of the base plate and the outer housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920709809.XU CN210036086U (en) | 2019-05-17 | 2019-05-17 | Hot air oven for photoelectric parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920709809.XU CN210036086U (en) | 2019-05-17 | 2019-05-17 | Hot air oven for photoelectric parts |
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| Publication Number | Publication Date |
|---|---|
| CN210036086U true CN210036086U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920709809.XU Active CN210036086U (en) | 2019-05-17 | 2019-05-17 | Hot air oven for photoelectric parts |
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| CN (1) | CN210036086U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947408A (en) * | 2020-08-04 | 2020-11-17 | 常宁市腾鑫家具研发有限公司 | Plate drying device |
| CN112460963A (en) * | 2020-11-24 | 2021-03-09 | 湖南省千秋界茶业有限公司 | Drying room for drying tea brick flowering and tea brick flowering drying method |
| CN112611176A (en) * | 2020-12-18 | 2021-04-06 | 邦达诚环境监测中心（江苏）有限公司 | Energy-conserving oven of hanging upside down |
-
2019
- 2019-05-17 CN CN201920709809.XU patent/CN210036086U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947408A (en) * | 2020-08-04 | 2020-11-17 | 常宁市腾鑫家具研发有限公司 | Plate drying device |
| CN112460963A (en) * | 2020-11-24 | 2021-03-09 | 湖南省千秋界茶业有限公司 | Drying room for drying tea brick flowering and tea brick flowering drying method |
| CN112611176A (en) * | 2020-12-18 | 2021-04-06 | 邦达诚环境监测中心（江苏）有限公司 | Energy-conserving oven of hanging upside down |
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