CN210908443U - Subregion control by temperature change desktop formula reflow oven - Google Patents
Subregion control by temperature change desktop formula reflow oven Download PDFInfo
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- CN210908443U CN210908443U CN201921974816.9U CN201921974816U CN210908443U CN 210908443 U CN210908443 U CN 210908443U CN 201921974816 U CN201921974816 U CN 201921974816U CN 210908443 U CN210908443 U CN 210908443U
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Abstract
The utility model discloses a subregion control by temperature change desktop formula reflow oven, the stove of welding is including the last flip that can upper and lower sealed lock and the stove main part of welding, be formed with in the stove main part of welding and hold the chamber, the PCB workspace is located hold the intracavity, the stove of welding still is equipped with: the welding furnace comprises a first temperature control area, a second temperature control area and a controller, wherein the first temperature control area is provided with a first temperature control assembly which is arranged on an upper flip cover of the welding furnace; the second temperature control area is provided with a second temperature control assembly, and the second temperature control assembly is arranged in the accommodating cavity; the first temperature control assembly and the second temperature control assembly are electrically connected with the controller. Adopt the utility model discloses a weld the stove, can require to carry out the temperature curve according to the customer and predetermine, to the temperature subregion real time monitoring and the adjustment in the reflow soldering stove, the temperature in the control welding stove is undulant at the minimum within range of preset temperature curve, has improved product quality greatly.
Description
Technical Field
The utility model relates to an automated production equipment especially relates to a subregion control by temperature change desktop formula reflow oven.
Background
At present, small-sized desktop reflow soldering furnaces are increasingly widely applied in laboratories, schools, engineering templates and small-scale production working environments. Most of the existing small desktop reflow furnaces adopt eight-section preset temperature curves, customers select similar temperature parameters to perform reflow soldering according to needs, the temperature curves cannot be preset according to the types of soldering elements (such as SQP, QFP, BGA and the like), different packaging forms (such as single-side or double-side PCB packaging) and the like, the temperature can be set according to different solder paste curves, the production cannot be effectively performed according to the soldering process flow specified by the users, and the product quality is not ideal.
SUMMERY OF THE UTILITY MODEL
For solving above technical problem, the utility model provides a subregion control by temperature change desktop formula reflow oven adopts the solder oven can carry out the temperature curve according to the customer requirement and predetermine, to the temperature subregion real time monitoring and the adjustment in the reflow oven, control temperature in the reflow oven is undulant at predetermineeing temperature curve minimum within range, has improved product quality greatly.
The technical scheme of the utility model as follows: the utility model provides a subregion control by temperature change desktop formula reflow oven, the stove that welds is including the last flip and the stove main part that welds of sealed lock from top to bottom, it holds the chamber to weld to be formed with in the stove main part, and the PCB workspace is located hold the intracavity, the stove that welds still is equipped with: the welding furnace comprises a first temperature control area, a second temperature control area and a controller, wherein the first temperature control area is provided with a first temperature control assembly which is arranged on an upper flip cover of the welding furnace main body; the second temperature control area is provided with a second temperature control assembly, and the second temperature control assembly is arranged in the accommodating cavity; the first temperature control assembly and the second temperature control assembly are electrically connected with the controller.
Further, the first temperature control assembly includes: the reflector is attached to the inner surface of the upper flip cover, the first heating device is mounted on the reflector, a detection end of the first temperature sensor extends into the first temperature control area, and the first temperature sensor and the first heating device are electrically connected with the controller respectively.
Furthermore, the reflecting cover is a mirror surface reflecting stainless steel cover, and the first heating device is a plurality of infrared heating tubes which are transversely arranged in parallel.
Further, the second temperature control assembly includes: the hot air reflux device corresponds to the PCB working area and is longitudinally arranged in the middle position of the accommodating cavity, the second heating devices are arranged on the left side wall and the right side wall in the welding furnace main body, the second temperature sensor is arranged in the PCB working area, and the second temperature sensor and the second heating devices are respectively electrically connected with the controller.
Furthermore, the hot air reflux device is a high-temperature reflux fan, and the two second heating devices are a plurality of infrared heating tubes which are transversely arranged in parallel.
Furthermore, the second temperature control assembly further comprises a wind shield arranged between the hot air reflux device and the PCB working area, and reflux holes are formed in the wind shield corresponding to the hot air reflux device.
Furthermore, a first temperature sensor of the first temperature control assembly is mounted on the wind shield, and a detection end of the first temperature sensor extends into the first temperature control area.
Further, the controller is arranged outside the welding furnace main body and provided with a display end.
Further, the controller is a PID controller, and the controller is provided with a data storage unit.
According to the above technical scheme, the utility model provides a subregion control by temperature change desktop formula reflow oven through set up first control by temperature change district, second control by temperature change district and controller in welding the stove, can be in according to customer's requirement carry out the temperature curve in the controller and predetermine, and pass through controller control first control by temperature change district reaches the control by temperature change subassembly in second control by temperature change district realizes carrying out subregion control and adjustment to the temperature in the reflow oven, makes temperature control in the reflow oven is undulant with predetermineeing the minimum within range of temperature curve, has improved production quality. And a historical temperature curve of the product can be generated, so that a customer can conveniently and properly adjust the preset temperature curve, the temperature condition of product production is further optimized, and the product quality is improved.
Drawings
Fig. 1 is a schematic view of a first temperature control area of a partitioned temperature control desktop reflow oven of the present invention.
Fig. 2 is a schematic diagram of a second temperature control area of the partitioned temperature control desktop reflow oven of the present invention.
Fig. 3 is a perspective view of the partitioned temperature control desktop reflow oven of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-3, the utility model provides a subregion control by temperature change desktop formula reflow oven, it includes flip 1 and the stove main part 2 that welds of last that can seal up the lock to weld the stove, it holds the chamber to weld to be formed with in the stove main part, and the PCB workspace is located hold the intracavity, it still is equipped with to weld the stove: the welding furnace comprises a first temperature control area, a second temperature control area and a controller 3, wherein the first temperature control area is provided with a first temperature control component 21, and the first temperature control component 21 is arranged on an upper turnover cover 1 of the welding furnace; the second temperature control area is provided with a second temperature control assembly 22, and the second temperature control assembly 22 is arranged in the accommodating cavity; the first temperature control assembly 21 and the second temperature control assembly 22 are electrically connected to the controller.
Specifically, the first temperature control assembly 21 includes: the heat-collecting device comprises a reflecting cover 211, a first heating device 212 and a first temperature sensor 213, wherein the reflecting cover 211 is attached to the inner surface of the upper flip 1, and the reflecting cover 211 is a mirror-surface reflecting stainless steel cover and plays a role in reflecting and uniformly dispersing heat in the first temperature control area. The first heating device 212 is a plurality of infrared heating tubes, and is transversely installed on the surface of the reflector 211 in parallel, the detection end of the first temperature sensor 213 extends into the first temperature control area, and the first temperature sensor 213 and the first heating device 212 are respectively electrically connected with the controller 3. The controller 3 receives the temperature value measured by the first temperature sensor 213, and controls the radiation intensity of the first heating device 212 in real time according to whether there is a difference between the temperature value and a corresponding temperature value in a preset temperature curve, so as to adjust the temperature value in the first temperature control area.
The second temperature control assembly 22 includes: the hot air reflux device 221 is a high-temperature reflux fan which is longitudinally arranged at the middle position of the accommodating cavity corresponding to the PCB working area, and the hot air reflux device 221 is started to continuously circulate hot air in the first temperature control area and the second temperature control area so that the hot air in the two temperature control areas is uniformly mixed in the accommodating cavity of the welding furnace; each of the second heating devices 222 is a plurality of infrared heating tubes installed in parallel, the two second heating devices 222 are installed on the left and right side walls of the welding furnace main body 2, the infrared heating tubes installed on the left and right side walls generate heat by emitting infrared rays when operating, and the heat radiation effect is good by combining with the first heating device 212. The second temperature sensor 223 is installed in the PCB working area, and detects the temperature in the PCB working area (i.e. the temperature in the second temperature control area) in real time, and the second temperature sensor 223, the two second heat generating devices 222 and the hot air reflux device 221 are electrically connected to the controller 3 respectively. The controller 3 receives the temperature value detected by the second temperature sensor 223, and compares the temperature value with the corresponding temperature value in the preset temperature curve in real time, when the two temperature values fluctuate, the controller 3 controls the radiation intensity of the second heating device 222 and the dynamic running speed control of the hot air reflux device 221, so as to adjust the temperature of the hot air in the accommodating cavity of the welding furnace, and maintain the stability of hot air circulation.
In a preferred embodiment, the second temperature control assembly 22 further includes a wind shield 224 disposed between the hot air reflow device 221 and the PCB working area, the wind shield 224 isolates other components in the soldering furnace main body 2 from the PCB working area, further, a reflow hole (not labeled) is disposed on the wind shield 224 corresponding to the fan of the hot air reflow device 221, the fan is accommodated in the reflow hole and rotates to make the hot air in the accommodating cavity circularly flow, so that the heat generated by radiation of the first heating device 212 and the second heating device 222 is uniformly dissipated in the accommodating cavity. The first temperature sensor 213 is installed on the wind shield 224, and a detection end of the first temperature sensor 213 extends into the first temperature control area to detect the temperature in the first temperature control area in real time. Preferably, controller 3 locates weld outside one side of stove main part 2, controller 3 is equipped with display end 31, display end 31 is for locating the outside display screen of controller 3 is used for showing in real time first temperature sensor 213 with the temperature value that second temperature sensor 223 surveyed and show temperature curve, real-time temperature curve and historical temperature curve are predetermine, historical temperature curve is the actual temperature curve in the last production process of the same type product. It is worth mentioning that the customer can set the historical temperature curve with better effect as the preset temperature curve of the next production according to the quality of the product, thereby achieving the best production effect and greatly improving the production quality. The historical temperature curve acquires data through a data storage unit arranged in the controller 3 and is displayed at the end 31 of the display. In this embodiment the controller 3 is a PID controller, which satisfies the requirements of the present invention and achieves better effect.
To sum up, the utility model provides a subregion control by temperature change desktop formula reflow oven, the customer can carry out the presetting of temperature curve according to the type of product and the difference of welding mode, through set up first control by temperature change district, second control by temperature change district and controller in the solder oven, can be in according to the customer requirement carry out the temperature curve in the controller and predetermine, and pass through controller control first control by temperature change district reaches the control by temperature change subassembly in second control by temperature change district realizes the subregion control and the adjustment to reflow oven internal temperature, makes temperature control in the reflow oven is undulant with predetermine the minimum within range of temperature curve, has improved production quality. Wherein, control management is respectively carried out to the temperature in two temperature control districts, and efficiency is higher. Through the utility model discloses a weld the historical temperature curve that the stove can also generate the product, the customer of being convenient for carries out appropriate adjustment to predetermineeing the temperature curve, further optimizes the temperature condition of product production, improves product quality.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a subregion control by temperature change desktop formula reflow oven, a serial communication port, it includes the last flip of sealed lock from top to bottom and welds the stove main part to weld the stove, it holds the chamber to weld to be formed with in the stove main part, and the PCB workspace is located hold the intracavity, it still is equipped with to weld the stove: the welding furnace comprises a first temperature control area, a second temperature control area and a controller, wherein the first temperature control area is provided with a first temperature control assembly which is arranged on an upper flip cover of the welding furnace; the second temperature control area is provided with a second temperature control assembly, and the second temperature control assembly is arranged in the accommodating cavity; the first temperature control assembly and the second temperature control assembly are electrically connected with the controller.
2. The welding furnace of claim 1, wherein the first temperature control assembly comprises: the reflector is attached to the inner surface of the upper flip cover, the first heating device is mounted on the reflector, a detection end of the first temperature sensor extends into the first temperature control area, and the first temperature sensor and the first heating device are electrically connected with the controller respectively.
3. The soldering furnace according to claim 2, wherein the reflector is a mirror-surface reflecting stainless steel cover, and the first heating device is a plurality of infrared heating tubes installed in parallel.
4. The welding furnace of claim 1, wherein the second temperature control assembly comprises: the hot air reflux device corresponds to the PCB working area and is longitudinally arranged in the middle position of the accommodating cavity, the two second heating devices are respectively arranged on the left side wall and the right side wall in the welding furnace main body, the second temperature sensor is arranged in the PCB working area, and the second temperature sensor and the two second heating devices are respectively connected with the controller electrically.
5. The furnace of claim 4, wherein the hot air return device is a high temperature return fan, and the two second heat generating devices are infrared heat generating tubes installed in parallel.
6. The soldering furnace according to claim 4, wherein the second temperature control assembly further comprises a wind shield disposed between the hot air reflow device and the PCB working area, and the wind shield is provided with reflow holes corresponding to the hot air reflow device.
7. The furnace of claim 6, wherein the first temperature sensor of the first temperature control assembly is mounted on the windshield and a probe end of the first temperature sensor extends into the first temperature control zone.
8. The welding furnace of claim 1, wherein the controller is disposed outside the welding furnace body, the controller having a display.
9. The furnace of any of claims 1, 2, 4, or 8, wherein the controller is a PID controller, the controller having a data storage unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921974816.9U CN210908443U (en) | 2019-11-14 | 2019-11-14 | Subregion control by temperature change desktop formula reflow oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921974816.9U CN210908443U (en) | 2019-11-14 | 2019-11-14 | Subregion control by temperature change desktop formula reflow oven |
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| Publication Number | Publication Date |
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| CN210908443U true CN210908443U (en) | 2020-07-03 |
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| CN201921974816.9U Active CN210908443U (en) | 2019-11-14 | 2019-11-14 | Subregion control by temperature change desktop formula reflow oven |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872526A (en) * | 2021-01-11 | 2021-06-01 | 武汉倍普科技有限公司 | Reflow furnace stability detection method |
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2019
- 2019-11-14 CN CN201921974816.9U patent/CN210908443U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872526A (en) * | 2021-01-11 | 2021-06-01 | 武汉倍普科技有限公司 | Reflow furnace stability detection method |
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