CN211374409U - Soldering flux concentration detection device - Google Patents

Soldering flux concentration detection device Download PDF

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Publication number
CN211374409U
CN211374409U CN201922095755.5U CN201922095755U CN211374409U CN 211374409 U CN211374409 U CN 211374409U CN 201922095755 U CN201922095755 U CN 201922095755U CN 211374409 U CN211374409 U CN 211374409U
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CN
China
Prior art keywords
soldering flux
detection
box body
weighing
component
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Expired - Fee Related
Application number
CN201922095755.5U
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Chinese (zh)
Inventor
梅玲
闫新春
夏正月
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Canadian Solar Inc
CSI Cells Co Ltd
Canadian Solar Manufacturing Changshu Inc
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CSI Cells Co Ltd
CSI Solar Power Group Co Ltd
Canadian Solar Manufacturing Changshu Inc
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Application filed by CSI Cells Co Ltd, CSI Solar Power Group Co Ltd, Canadian Solar Manufacturing Changshu Inc filed Critical CSI Cells Co Ltd
Priority to CN201922095755.5U priority Critical patent/CN211374409U/en
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Abstract

The utility model discloses a scaling powder concentration detection device, it is including detecting the box, detect the pump, the subassembly of weighing, the stoving subassembly, the scraper subassembly, material stock box and conveying pump, it has the detection mouth to detect the box, it is used for inhaling the detection box with the scaling powder of scaling powder inslot to detect the pump, the subassembly of weighing is established in the detection box, the subassembly of weighing is used for weighing the quality of scaling powder, the stoving subassembly is established in the detection box, the stoving subassembly is used for stoving scaling powder, scraper subassembly movably establishes in the detection box, the scraper subassembly is used for scraping into the waste material cell body with the scaling powder that the stoving finishes, the material stock box has the discharge gate, the one end and the discharge gate of conveying pump link to each other, the other end links to each other with the scaling powder groove. The soldering flux concentration detection device can monitor the concentration of the soldering flux in the soldering flux groove in real time, and automatically adds the soldering flux towards the soldering flux groove when the solid content of the soldering flux in the soldering flux groove is higher.

Description

Soldering flux concentration detection device
Technical Field
The utility model relates to a photovoltaic cell production and processing technology field especially relates to a scaling powder concentration detection device.
Background
The soldering flux is an important auxiliary material in the field of photovoltaic and electronic production, can remove surface oxides of materials, reduce the surface tension of molten solder and improve the wettability. The soldering flux consists of solvent, active agent, surfactant, film forming agent and other components. At present, the index for measuring the concentration of the soldering flux is the solid content, namely the mass ratio of the nonvolatile content.
Isopropanol is a main solvent of the soldering flux, the isopropanol with the content of more than 95 percent is very easy to volatilize, and the soldering flux groove of the current production line is open or semi-open and cannot be completely sealed. After a large amount of isopropanol volatilizes, the solid content of the soldering flux rises. After a period of time, the flux may have several times the initial solids content. The solid content of scaling powder promotes and can cause the welding residue to increase, and not only can produce the seal of a government organization in old china when welding residue is too much, influences the outward appearance of subassembly, and the residue is easy to react with materials such as solder strip, EVA, silver thick liquid in harsh outdoor environment moreover, the corrosion phenomenon appears.
The current solution is to sample the test periodically and add fresh flux to dilute or clean the tank periodically. The concentration of the soldering flux cannot be monitored in real time, the off-line test period is long, and the feedback of test data lags; consumes a lot of time and labor cost and influences the production capacity of the production line.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a scaling powder concentration detection device, this scaling powder concentration detection device can the scaling powder concentration of real time monitoring scaling powder inslot to automatic add the scaling powder towards the scaling powder inslot when the scaling powder solid content in scaling powder inslot is on the high side, thereby time and human cost have been practiced thrift.
In order to achieve the above technical effects, the technical solution of the soldering flux concentration detecting device of the embodiment is as follows:
a flux concentration detection device includes: the detection box body is provided with a detection port; one end of the detection pump is connected with the detection port, the other end of the detection pump is connected with the soldering flux groove, and the detection pump is used for sucking the soldering flux in the soldering flux groove into the detection box body; the weighing component is arranged in the detection box body and used for weighing the mass of the soldering flux, and a waste trough is defined between the weighing component and the side wall of the detection box body; the drying component is arranged in the detection box body and is used for drying the soldering flux; the scraper component is movably arranged in the detection box body and is used for scraping dried soldering flux into the waste material groove; the material storage box body is provided with a discharge hole; the conveying pump is used for inputting the soldering flux in the storage box body into the soldering flux groove, and the conveying pump is configured to adjust the conveying state according to the mass ratio of the soldering flux before being dried and the soldering flux after being dried.
In some embodiments, the doctor assembly comprises: the driving piece is arranged in the detection box body; the lead screw is connected with the driving piece; the nut is matched on the lead screw, and when the driving piece drives the lead screw to rotate, the nut can slide along the axial direction of the lead screw; a scraper connected to the nut.
In some specific embodiments, the doctor assembly further comprises: the two slide rails are respectively connected to two side walls of the detection box body, which are oppositely arranged; the number of the sliding blocks is two, the two sliding blocks are respectively matched with the two sliding rails, and the two sliding blocks are respectively connected to two ends of the scraper.
In some more specific embodiments, the scraper assembly further includes a lifting unit disposed on a side wall of the detection box, the lifting unit is connected to the slide rail and the driving member, and the lifting unit can drive the slide rail and the driving member to move up and down.
In some optional embodiments, the lifting unit includes three air cylinders, and piston rods of the three air cylinders are respectively connected to the driving member and the two slide rails.
In some optional embodiments, the drying assembly comprises a plurality of electric heating tubes, and the plurality of electric heating tubes are arranged below the weighing assembly and are spaced from the weighing assembly.
In some optional embodiments, a side wall of the detection box body is provided with a vent, and a fan is matched in the vent.
In some optional embodiments, a waste opening is formed in the bottom wall of the waste chute, and the waste opening is communicated with an external waste collecting device through a waste pipe.
In some optional embodiments, the soldering flux concentration detection device further includes a detection conduit, one end of the conduit is connected to the detection port, and the other end of the conduit is located right above the weighing component.
The utility model discloses scaling powder concentration detection device can take the scaling powder in scaling powder groove out at an interval to through the solid content size of step measurement scaling powder such as weighing and drying, realized the real-time detection of scaling powder concentration. When detecting the solid content of the scaling powder in the scaling powder groove on the high side in addition, the conveying pump can automatically convey the scaling powder towards the scaling powder groove, and the labor cost and the feeding time are saved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a soldering flux concentration detection apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a scraper assembly of a soldering flux concentration detection apparatus according to an embodiment of the present invention.
Reference numerals:
1. detecting the box body; 2. detecting the pump; 3. a weighing assembly; 4. a drying assembly; 5. a scraper assembly; 51. a drive member; 52. a lead screw; 53. a nut; 54. a scraper; 55. a slide rail; 56. a slider; 57. a lifting unit; 6. a material storage box body; 7. a delivery pump; 8. detecting the catheter; 9. a fan; 10. and a control component.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship 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 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.
Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically 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 in specific cases to those skilled in the art.
The specific structure of the soldering flux concentration detection apparatus according to the embodiment of the present invention is described below with reference to fig. 1 to 2.
As shown in figure 1, the soldering flux concentration detection device of the embodiment of the utility model comprises a detection box body 1, a detection pump 2, a weighing component 3, a drying component 4, a scraper component 5, a material storage box body 6 and a material conveying pump 7, wherein the detection box body 1 is provided with a detection port, one end of the detection pump 2 is connected with the detection port, the other end is connected with a soldering flux groove, the detection pump 2 is used for sucking the soldering flux in the soldering flux groove into the detection box body 1, the weighing component 3 is arranged in the detection box body 1, the weighing component 3 is used for weighing the mass of the soldering flux, a waste material groove is defined between the weighing component 3 and the side wall of the detection box body 1, the drying component 4 is arranged in the detection box body 1, the drying component 4 is used for drying the soldering flux, the scraper component 5 is movably arranged in the detection box body 1, the scraper component 5 is used for scraping the dried, one end of the material conveying pump 7 is connected with the discharge hole, the other end of the material conveying pump 7 is connected with the soldering flux groove, the material conveying pump 7 is used for inputting the soldering flux in the material storage box body 6 into the soldering flux groove, and the material conveying pump 7 is configured to adjust the conveying state according to the mass ratio of the soldering flux before being dried and the soldering flux after being dried, which are weighed by the weighing component 3.
It can be understood that, in the actual detection process, detection pump 2 can take out the scaling powder in the scaling powder groove and carry to weighing component 3 at a set interval, and weighing component 3 starts stoving component 4 after weighing the quality of scaling powder, and stoving component 4 can dry the volatile component in the scaling powder, and stoving component 4 starts a set interval after, and weighing component 3 can obtain a stable measured value. The measured value is the mass of the dried soldering flux, and if the mass ratio of the mass of the soldering flux before drying to the mass of the dried soldering flux exceeds the preset concentration, the solid content of the soldering flux in the soldering flux groove is proved to be higher, and new soldering flux needs to be supplemented, and at the moment, the material conveying pump 7 can be started to input the soldering flux in the material storage box body 6 into the soldering flux groove, so that the solid content of the soldering flux is reduced. From this, in the actual process, after once detecting, scraper assembly 5 can scrape remaining waste material into the dirty tank to the detection of weighing next time of being convenient for. Therefore, the detection pump 2 can detect the soldering flux in the soldering flux groove at intervals, so that the solid content of the soldering flux can be monitored in real time, and due to the existence of the material conveying pump 7, when the solid content of the soldering flux in the soldering flux groove is detected to be higher, the material conveying pump 7 can automatically convey the soldering flux towards the soldering flux groove, so that the labor cost and the charging time are saved.
The utility model discloses scaling powder concentration detection device can take the scaling powder in scaling powder groove out at an interval to through the solid content size of step measurement scaling powder such as weighing and drying, realized the real-time detection of scaling powder concentration. When detecting that the solid content of the scaling powder in the scaling powder groove is higher than normal, the conveying pump 7 can automatically convey the scaling powder towards the scaling powder groove, and therefore labor cost and charging time are saved.
It is explicated that need supplement here, the utility model discloses scaling powder concentration detection device of embodiment still includes control assembly 10, and this control assembly 10 is connected with detection pump 2, conveying pump 7, weighing component 3 and drying component 4 electricity, and control assembly 10 can control the selective examination interval of detection pump 2, and the switching state of control conveying pump 7 is long and receive the data of processing weighing component 3 transmission when the operation of control drying component 4. In the present embodiment, the control assembly 10 should be selected by a person skilled in the art according to the related technical common knowledge in the field of automatic control, and the specific model, type and control manner of the control assembly 10 are defined herein. The signal, type, control mode and data processing mode of the control assembly 10 can be analyzed according to actual conditions.
In some embodiments, as shown in fig. 2, the scraper assembly 5 includes a driving member 51, a lead screw 52 and a nut 53, the driving member 51 is disposed in the detection box 1, the lead screw 52 is connected to the driving member 51, the nut 53 is engaged on the lead screw 52, the nut 53 can slide along the axial direction of the lead screw 52 when the driving member 51 drives the lead screw 52 to rotate, and the scraper 54 is connected to the nut 53. From this, control assembly 10 can send control signal towards driving piece 51 after once detecting and finish, and driving piece 51 can drive lead screw 52 and rotate so that nut 53 drives scraper 54 and move to the function of scraping waste solid material into the silo is realized. From this, detect at every turn and accomplish back scraper subassembly 5 and can both scrape into the dirty tank with abandonment solid material, also avoided the last remaining abandonment solid material to influence the testing result next time when having made things convenient for next time to detect. In the present invention, the driving member 51 may be formed as a motor or a rotary cylinder. The movement of the scraper assembly 5 can also be driven by an air cylinder, an electric push rod, etc., and is not limited to the structure of the screw 52 and the nut 53 in this embodiment.
In some specific embodiments, as shown in fig. 2, the scraper assembly 5 further includes two slide rails 55 and two slide blocks 56, where the two slide rails 55 are respectively connected to two opposite side walls of the detection box 1, the two slide blocks 56 are respectively matched on the two slide rails 55, and the two slide blocks 56 are respectively connected to two ends of the scraper 54. Therefore, the matching of the sliding block 56 and the sliding rail 55 can limit the moving direction of the scraper 54, thereby avoiding the phenomenon that the scraper 54 is stuck in the moving process.
In some more specific embodiments, as shown in fig. 2, the scraper assembly 5 further includes a lifting unit 57, the lifting unit 57 is disposed on the side wall of the detection box 1, the lifting unit 57 is connected to the slide rail 55 and the driving member 51, and the lifting unit 57 can drive the slide rail 55 and the driving member 51 to move up and down. It will be appreciated that the chute is typically located on only one side of the weighing assembly 3 for space saving purposes, and that the inability of the scraper assembly 5 to lift during movement may result in solid waste material accumulating at the dead corners of the weighing assembly 3 and the inner walls of the inspection box 1, thereby affecting the accuracy of the inspection. In this embodiment, the scraper assembly 5 further includes a lifting unit 57, when scraping the solid waste, the lifting unit 57 now raises the driving member 51 and the slide rail 55 to make the scraper 54 pass over the solid waste to scrape the solid waste in a descending manner, so as to avoid the solid waste from accumulating at the dead angle of the weighing assembly 3 and the inner wall of the detection box 1, and ensure the detection accuracy.
In some alternative embodiments, the lifting unit 57 includes three cylinders, and the piston rods of the three cylinders are respectively connected to one driving member 51 and two sliding rails 55, thereby simplifying the structure of the lifting unit 57. Of course, in other embodiments of the present invention, the lifting unit 57 can also be implemented by using a structure such as an electric push rod.
In some alternative embodiments, the drying assembly 4 includes a plurality of electric heating tubes disposed below the weighing assembly 3 and spaced apart from the weighing assembly 3. Therefore, the soldering flux can be dried uniformly by the drying component 4, and the detection precision is improved. Of course, the drying device in other embodiments of the present invention may also have other structures.
In some optional embodiments, as shown in fig. 1, a vent is formed on a side wall of the detection box 1, and a fan 9 is fitted in the vent. Therefore, forced ventilation in the detection box body 1 is realized, and the phenomenon that volatile solvent accumulated in the detection box body 1 causes the internal pressure to be higher and higher is avoided.
In some optional embodiments, the bottom wall of the waste tank is provided with a waste port, and the waste port is communicated with an external waste collecting device through a waste pipe. From this, avoided piling up too much waste material thereby leading to the waste material to pile up the phenomenon on weighing component 3 in the waste material inslot to take place. It should be noted that the waste opening can be selected according to actual needs, and the shape and size of the waste opening are not specifically limited.
In some optional embodiments, as shown in fig. 1, the soldering flux concentration detecting device further includes a detecting conduit 8, one end of which is connected to the detecting port, and the other end of which is located right above the weighing assembly 3. Therefore, the detection pump 2 can stably input the soldering flux pumped out from the soldering flux groove to the weighing component 3, and therefore detection precision and detection effectiveness are guaranteed.
Example (b):
the structure of a soldering flux concentration detection apparatus according to an embodiment of the present invention is described below with reference to fig. 1 to 2.
As shown in fig. 1-2, the soldering flux concentration detection apparatus of this embodiment includes a detection box 1, a detection pump 2, a weighing component 3, a drying component 4, a scraper component 5, a storage box 6, a material delivery pump 7, a detection conduit 8 and a blower 9, where the detection box 1 has a detection port and a ventilation port, one end of the detection pump 2 is connected to the detection port, and the other end is connected to a soldering flux groove, the detection pump 2 is used to suck the soldering flux in the soldering flux groove into the detection box 1, the weighing component 3 is arranged in the detection box 1, the weighing component 3 is used to weigh the mass of the soldering flux, a waste groove is defined between the weighing component 3 and the side wall of the detection box 1, the drying component 4 is arranged in the detection box 1, the drying component 4 is used to dry the soldering flux, the scraper component 5 is movably arranged in the detection box 1, the scraper component 5 is used to scrape the dried, the material storage box body 6 is provided with a discharge hole, one end of a material conveying pump 7 is connected with the discharge hole, the other end of the material conveying pump 7 is connected with a soldering flux groove, the material conveying pump 7 is used for inputting the soldering flux in the material storage box body 6 into the soldering flux groove, and the material conveying pump 7 is configured to adjust the conveying state according to the mass ratio of the soldering flux before being dried and the soldering flux after being dried, which are weighed by the weighing component 3. One end of the detection conduit 8 is connected with the detection port, and the other end is positioned right above the weighing component 3. The fan 9 is fitted in the vent.
The doctor assembly 5 includes a driving member 51, a lead screw 52, a nut 53, a slide rail 55, a slider 56, and a lifting unit 57. The driving element 51 is arranged in the detection box body 1, the lead screw 52 is connected with the driving element 51, the nut 53 is matched on the lead screw 52, when the driving element 51 drives the lead screw 52 to rotate, the nut 53 can slide along the axial direction of the lead screw 52, and the scraper 54 is connected on the nut 53. The number of the slide rails 55 is two, the two slide rails 55 are respectively connected to two opposite side walls of the detection box body 1, the number of the slide blocks 56 is two, the two slide blocks 56 are respectively matched with the two slide rails 55, and the two slide blocks 56 are respectively connected to two ends of the scraper 54. The lifting unit 57 includes three cylinders, and piston rods of the three cylinders are respectively connected to the driving member 51 and the two slide rails 55.
The detection process of the soldering flux concentration detection device of the embodiment is as follows:
1. inputting setting values of various parameters, original concentration of the soldering flux, sampling interval time (30min-60min), heating temperature (80 ℃ -110 ℃), heating time (10min-20min), upper limit of solid content (3.0%) and adding amount of the soldering flux under different solid contents into a control assembly 10;
2. sucking 6ml-12ml of soldering flux into a detection box body 1 by using a detection pump 2 and conveying the soldering flux to a weighing component 3 through a detection conduit 8;
3. weighing the weight of the soldering flux by using the weighing component 3 and recording data m in the control component 10;
4. automatically starting a heating assembly and a fan 9 to dry the soldering flux;
5. after drying, weighing again and recording the data n in the control component 10;
6. the control component 10 calculates that M is n/M, if the value of M is less than the upper limit of the solid content, the test is finished, and the next period of test is started;
if the M value is larger than the upper limit of the solid content, starting a material delivery pump 7, and adding new liquid into the soldering flux groove;
7. after completing a test, the drive member 51 is actuated to drive the scraper 54 to scrape the waste material from the weighing assembly 3 to the waste bin.
In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (9)

1. A soldering flux concentration detection device is characterized by comprising:
the detection box body (1), the detection box body (1) is provided with a detection port;
one end of the detection pump (2) is connected with the detection port, the other end of the detection pump (2) is connected with the soldering flux groove, and the detection pump (2) is used for sucking soldering flux in the soldering flux groove into the detection box body (1);
the weighing component (3) is arranged in the detection box body (1), the weighing component (3) is used for weighing the mass of the soldering flux, and a waste trough is defined between the weighing component (3) and the side wall of the detection box body (1);
the drying component (4), the drying component (4) is arranged in the detection box body (1), and the drying component (4) is used for drying soldering flux;
the scraper component (5) is movably arranged in the detection box body (1), and the scraper component (5) is used for scraping dried soldering flux into the waste material groove;
the material storage box body (6), the material storage box body (6) is provided with a discharge hole;
the device comprises a material conveying pump (7), one end of the material conveying pump (7) is connected with a discharge hole, the other end of the material conveying pump is connected with a soldering flux groove, the material conveying pump (7) is used for inputting soldering flux in a material storage box body (6) into the soldering flux groove, and the material conveying pump (7) is configured to adjust the conveying state according to the mass ratio of the soldering flux before being dried and the soldering flux after being dried, which are weighed by a weighing component (3).
2. The flux concentration detection apparatus according to claim 1, wherein the doctor assembly (5) comprises: the driving piece (51), the said driving piece (51) is set up in the said detection container body (1);
the lead screw (52), the said lead screw (52) couples to said driving part (51);
a nut (53), wherein the nut (53) is matched on the lead screw (52), and when the driving piece (51) drives the lead screw (52) to rotate, the nut (53) can slide along the axial direction of the lead screw (52);
a scraper (54), the scraper (54) being connected to the nut (53).
3. The flux concentration detection apparatus of claim 2, wherein the doctor assembly (5) further comprises: the number of the slide rails (55) is two, and the two slide rails (55) are respectively connected to two side walls of the detection box body (1) which are arranged oppositely;
the number of the sliding blocks (56) is two, the two sliding blocks (56) are respectively matched with the two sliding rails (55), and the two sliding blocks (56) are respectively connected to two ends of the scraper (54).
4. The soldering flux concentration detection device according to claim 3, wherein the scraper assembly (5) further comprises a lifting unit (57), the lifting unit (57) is disposed on a side wall of the detection box body (1), the lifting unit (57) is connected to the slide rail (55) and the driving member (51), and the lifting unit (57) can drive the slide rail (55) and the driving member (51) to move up and down.
5. The soldering flux concentration detection device according to claim 4, wherein the lifting unit (57) comprises three air cylinders, and piston rods of the three air cylinders are respectively connected with the driving member (51) and the two slide rails (55).
6. The soldering flux concentration detection apparatus according to claim 1, wherein the drying component (4) comprises a plurality of electrical heating tubes, and the plurality of electrical heating tubes are disposed below the weighing component (3) and spaced from the weighing component (3).
7. The soldering flux concentration detection device according to claim 1, wherein a vent hole is formed in a side wall of the detection box body (1), and a fan (9) is matched in the vent hole.
8. The device for detecting the concentration of the soldering flux as claimed in claim 1, wherein a waste opening is formed in the bottom wall of the waste groove, and the waste opening is communicated with an external waste collecting device through a waste pipe.
9. The soldering flux concentration detection device according to claim 1, further comprising a detection conduit (8), wherein one end of the conduit is connected with the detection port, and the other end of the conduit is positioned right above the weighing component (3).
CN201922095755.5U 2019-11-28 2019-11-28 Soldering flux concentration detection device Expired - Fee Related CN211374409U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023040617A1 (en) * 2021-09-18 2023-03-23 荣耀终端有限公司 Method and device for detecting concentration of soldering flux in reflow oven

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023040617A1 (en) * 2021-09-18 2023-03-23 荣耀终端有限公司 Method and device for detecting concentration of soldering flux in reflow oven

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Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province

Patentee after: CSI CELLS Co.,Ltd.

Patentee after: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc.

Patentee after: Atlas sunshine Power Group Co.,Ltd.

Address before: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province

Patentee before: CSI Cells Co.,Ltd.

Patentee before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc.

Patentee before: CSI SOLAR POWER GROUP Co.,Ltd.

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Granted publication date: 20200828

CF01 Termination of patent right due to non-payment of annual fee