CN220028942U - Novel wireless pulse soldering iron - Google Patents
Novel wireless pulse soldering iron Download PDFInfo
- Publication number
- CN220028942U CN220028942U CN202321199263.0U CN202321199263U CN220028942U CN 220028942 U CN220028942 U CN 220028942U CN 202321199263 U CN202321199263 U CN 202321199263U CN 220028942 U CN220028942 U CN 220028942U
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- CN
- China
- Prior art keywords
- soldering iron
- soldering
- main body
- circuit board
- board assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 246
- 238000005476 soldering Methods 0.000 title claims abstract description 156
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 123
- 238000003466 welding Methods 0.000 claims abstract description 35
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 12
- 210000004907 gland Anatomy 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 229920007019 PC/ABS Polymers 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 3
- 239000003779 heat-resistant material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 25
- 238000000034 method Methods 0.000 abstract description 17
- 238000007667 floating Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model relates to the technical field of resistance welding and discloses a novel wireless pulse soldering iron and a using method thereof. The utility model can be held by hand like a traditional soldering iron, can be welded in a very narrow space, can not generate floating of soldering tin after welding, can not influence surrounding devices, can conveniently replace corresponding soldering iron main bodies according to requirements, and can implement resistance welding.
Description
Technical Field
The utility model relates to the technical field of resistance welding, in particular to a novel wireless pulse soldering iron.
Background
The main principle of the soldering iron provided by the prior art is that the soldering iron main body is heated to the melting temperature of soldering tin and kept constant through the temperature control heater, the soldering tin is adhered to the soldering iron main body, the soldering iron main body and the soldering tin are used for contacting the welded object, so that the welded object reaches the melting temperature of the soldering tin, the soldering tin or the soldering flux is added in the process, the welded object is dipped in tin, and after the soldering iron main body leaves the welded object, the soldering tin is cooled, so that the welded object is welded together by the soldering tin.
Along with the continuous upgrading of circuit board mounting technology, the components and parts size of circuit board are smaller and smaller, and the density is greater and greater, and traditional flatiron is in order to be able to adapt to the needs that need weld in narrow and small space, makes the bonding tool into thinner point, through the improvement of material, temperature control's promotion for hang the soldering tin volume on the flatiron main part as far as possible, avoid damaging or the mistake welding with peripheral devices in the welding process.
However, in the improvement of the conventional method, the soldering is performed by using a constant temperature soldering iron main body, because of the problem of controlling the tin amount, the soldering is very difficult for very tiny soldering points, especially, other devices are likely to be damaged or soldered, for example, on a circuit board, one lead wire is soldered on one side of a component packaged by 0402 or 0201 without affecting dense surrounding components, the soldering is very difficult for operators using the conventional soldering iron, because the soldering position is narrow, the surrounding space is also narrow, the length and width of a solderable area at one end of 0402 is 0.5mm and 0.6mm, and the component of 0201 is smaller, so that the tin amount on the conventional soldering iron main body often exceeds the size, which leads to easy melting tin to be attached to other devices, and meanwhile, because the conventional soldering iron is melted in the soldering process, before leaving the soldering area, the soldering iron needs to keep the soldered workpiece in place until cooled by the other hand, which increases the difficulty of tiny spot soldering.
And use traditional constant temperature flatiron, because in order to can abundant heat conduction when welding to and have abundant unoxidized tin to soak the weldment after the heat conduction, it is with a certain amount to need the tin of flatiron main part, this just leads to the tin volume that soaks on the weldment to be difficult to control, especially the welding of tiny piece, to weldment soldering tin height hardly reach the level that is less than general encapsulation components and parts, for example 0402 encapsulation components and parts height, the too big result in of hand welding solder joint height, the product must increase certain accommodation space because of welding, has reduced the competitiveness of product. Accordingly, a new wireless pulse soldering iron and a method for using the same are provided by those skilled in the art to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a novel wireless pulse soldering iron and a using method thereof, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a novel wireless pulse soldering iron comprises a shell, a soldering iron main body, a circuit board assembly and a storage battery;
the storage battery is arranged at the back plate of the circuit board assembly, and the storage battery and the circuit board assembly are filled in the cavity of the shell together;
the soldering iron main body is fixed at the bottom of the shell through the insertion of the pressing element, and is in conductive connection with the circuit board assembly through the conductive element;
the soldering iron main body comprises a soldering iron head, a cutting seam is formed at the soldering end part of the soldering iron head, and a tip is arranged on the bottom welding plane of the soldering iron head;
the circuit board assembly comprises a PCBA, an MCU, a power device, a charging circuit and a trigger circuit are arranged on the PCBA, wherein the power device comprises a trigger key, an adjusting key, a reset key, a screen and a buzzer.
As still further aspects of the utility model: the tip is in a connection state;
the slit of the soldering end of the soldering bit extends down to a distance within 0.1-0.5 mm of the tip, and bare metal leakage is arranged at two sides separated by the slit;
the tip welding plane and the center line of the soldering bit have a certain inclination angle, and the inclination angle is between 10 and 50 degrees.
As still further aspects of the utility model: the shell comprises a front cover plate and a rear cover plate, and the front cover plate and the rear cover plate are connected through mutual interference buckles.
As still further aspects of the utility model: the installation and connection states of each power device of the circuit board assembly are as follows:
triggering a series capacitor and a parallel resistor in a circuit of the MCU output control power device;
the trigger button is used for triggering the heating of the soldering iron main body and is positioned at the middle lower part of the soldering iron;
the power supply circuit contact points on the PCBA are respectively connected with the two ends of the slit of the soldering iron main body;
two connection points of a power supply circuit on the PCBA, wherein one connection point is connected to the negative electrode of the storage battery, the other end of the connection point is connected to a high-power Mos tube, a trigger pin of the Mos tube is connected with an optical coupling isolation chip, a trigger pin of the optical coupling isolation chip is connected to a pulse width limiting circuit, and the pulse width limiting circuit is connected to the MCU;
the MCU is connected with the trigger key, the adjusting key, the reset key, the screen and the buzzer through the GPIO;
the adjusting key and the reset key are arranged at the front upper part of the appearance of the soldering iron.
As still further aspects of the utility model: the compressing element comprises a compressing plate arranged at the bottom of the rear cover plate shell, a fastening nut penetrating through the compressing plate and screwed into the compressing plate, and a tightening screw seat penetrating through the compressing plate and arranged at the bottom plate of the circuit board assembly;
the conducting element comprises two electrodes arranged on the back of the bottom plate of the circuit board assembly;
the iron main body is tightened by utilizing the fastening nut, the gland plate and the screw thread between the tightening screw seat, the iron main body and the PCBA of the circuit board assembly are locked together, and the two ends of the slit of the iron main body are respectively connected to the two electrodes on the back of the upper bottom plate of the PCBA.
As still further aspects of the utility model: the gland plate is made of a hard insulating heat-resistant material, preferably one of ABS, PC, PC/ABS and PS.
As still further aspects of the utility model: the soldering iron body also comprises a disconnected type soldering iron body, wherein the disconnected type soldering iron body is provided with two tips, and the distance between the two tips is 1mm.
When the soldering iron body is in the tip connection state, a large current is controlled to flow through the tip of the soldering iron body, and the tip of the soldering iron body is in the circuit loop according to the Joule's law formula: q=i 2 Rt, the place with large resistance heats up greatly, the place with small resistance heats up little, the middle resistance is smaller, the volume is smaller at the same time, release a lot of heat in the metal of smaller volume instantly, make the main body of the soldering iron heat up to the temperature that the soldering tin melts instantly, in order to achieve the welding function;
when the soldering iron main body is in a disconnected state, the soldering iron is adjusted by hands in the use process, the soldering iron tip is pressed on two welded parts, the trigger key is pressed, high temperature is generated at the pressed points of the two welded parts pressed by the soldering iron tip, and welding is formed at the two pressed points, so that the welding function is achieved.
As still further aspects of the utility model: the pressing plane of the soldering iron tip and the center line of the soldering iron are inclined to 75 degrees, so that the pressing is more comfortable;
meanwhile, a small section of plane perpendicular to the compression plane is arranged on the side surface of the tip part of the soldering iron main body, the length of the plane is 2mm, and the purpose is to conveniently use the side surface to push a bonding wire forward to the side surface of a component for welding;
in order to achieve precise control of temperature, precise control of discharge time is required, and the discharge time precision is controlled to be in the order of 10 microseconds.
Compared with the prior art, the utility model has the beneficial effects that:
the soldering iron can be held by hand like a traditional soldering iron, can be welded in a very narrow space, does not generate floating of soldering tin after welding, does not influence surrounding devices, can conveniently replace corresponding soldering iron main bodies according to requirements, and can implement resistance welding.
Drawings
FIG. 1 is a schematic diagram of a novel wireless pulse soldering iron and method of use thereof;
FIG. 2 is a schematic diagram of an expanded structure of a novel wireless pulse soldering iron and method of use thereof;
FIG. 3 is an enlarged schematic illustration of a novel wireless pulse soldering iron and method of use thereof at A in FIG. 2;
FIG. 4 is a schematic diagram of a novel wireless pulse soldering iron and method of using the same in which the pressing element is structured;
FIG. 5 is a schematic diagram of the structure of a novel wireless pulse soldering iron and its method of use;
fig. 6 is a schematic diagram of a novel wireless pulse soldering iron and a circuit board assembly for use in the method.
In the figure: 1. a front cover plate; 2. a back cover plate; 21. a gland plate; 22. a fastening nut; 3. a soldering iron body; 31. soldering iron head; 32. slotting; 33. a tip; 4. a circuit board assembly; 41. tightening the screw seat; 5. and a storage battery.
Detailed Description
Referring to fig. 1 to 6, in an embodiment of the present utility model, a novel wireless pulse soldering iron includes a housing, a soldering iron main body 3, a circuit board assembly 4, and a battery 5;
the storage battery 5 is arranged at the back plate of the circuit board assembly 4, and the storage battery 5 and the circuit board assembly 4 are filled in the cavity of the shell together;
the soldering iron main body 3 is fixed at the bottom of the shell through the insertion of the pressing element, and the soldering iron main body 3 is connected with the circuit board assembly 4 through the conducting element in a conducting way;
the soldering iron main body 3 comprises a soldering iron head 31, a cutting slit 32 is formed at the soldering end part of the soldering iron head 31, and a tip 33 is arranged on the bottom welding plane of the soldering iron head 31;
the circuit board assembly 4 comprises a PCBA, an MCU, a power device, a charging circuit and a trigger circuit are arranged on the PCBA, wherein the power device comprises a trigger key, an adjusting key, a reset key, a screen and a buzzer.
The tip 33 is in a connected state;
the slit 32 of the soldering end of the soldering bit 31 extends downwards to a distance within 0.1-0.5 mm of the tip 33, and the two sides separated by the slit 32 are provided with bare metal leakage;
the welding plane of the tip 33 and the center line of the soldering bit 31 have a certain inclination angle, and the inclination angle is between 10 and 50 degrees.
The shell comprises a front cover plate 1 and a rear cover plate 2, and the front cover plate 1 and the rear cover plate 2 are in mutual interference fastening connection.
The installation and connection states of the power devices of the circuit board assembly 4 are as follows:
triggering a series capacitor and a parallel resistor in a circuit of the MCU output control power device;
the trigger button for triggering the heating of the soldering iron main body 3 is positioned at the middle lower part of the soldering iron;
the power supply circuit contact points on the PCBA are respectively connected with two ends of the slit 32 of the soldering iron main body 3;
two connection points of a power supply circuit on the PCBA, wherein one connection point is connected to the cathode of the storage battery 5, the other end is connected to a high-power Mos tube, a trigger pin of the Mos tube is connected with an optical coupling isolation chip, a trigger pin of the optical coupling isolation chip is connected to a pulse width limiting circuit, and the pulse width limiting circuit is connected to the MCU;
the MCU is connected with the trigger key, the adjusting key, the reset key, the screen and the buzzer through the GPIO;
the adjusting key and the reset key are arranged at the front upper part of the appearance of the soldering iron.
The compressing element comprises a gland plate 21 arranged at the bottom of the shell of the rear cover plate 2, a fastening nut 22 penetrating and screwed into the gland plate 21 and a tightening screw seat 41 penetrating and arranged at the bottom plate of the circuit board assembly 4;
the conducting element comprises two electrodes arranged on the back of the bottom plate of the circuit board assembly 4;
the soldering iron body 3 is tightened by using the screw threads between the tightening nut 22, the gland plate 21 and the tightening screw seat 41 to lock the PCBA of the soldering iron body 3 and the circuit board assembly 4 together, and the two ends of the slit 32 of the soldering iron body 3 are respectively connected to two electrodes on the back of the upper bottom plate of the PCBA.
The gland plate 21 is made of a hard insulating heat-resistant material, preferably one of ABS, PC, PC/ABS and PS.
The soldering iron body 3 also comprises a form of a disconnected soldering iron body having two tips which are spaced apart by 1mm.
The application method of the novel wireless pulse soldering iron comprises the following steps:
s1, selecting soldering iron tools, namely selecting a corresponding tip-shaped soldering iron main body 3 or a corresponding disconnected soldering iron main body 3 according to different welding angles to implement corresponding resistance welding;
s2, installing a soldering iron tool, namely inserting the soldering iron main body 3 into the gland plate 21, screwing the fastening nut 22 into the tightening screw seat 41 by utilizing the screw thread of the fastening nut 22, pressing the gland plate 21 forwards to tightly press and fix the soldering iron main body 3 by utilizing the screw thread of the fastening nut 22, and simultaneously enabling two ends of a slit 32 of the soldering iron main body 3 to be respectively connected to two electrodes on the back of the upper base plate of the PCBA to form an electric power conducting state;
s3, starting the soldering iron tool, adjusting the electric quantity of a proper size by using an adjusting key and a resetting key on the circuit board assembly 4, and electrifying through a triggering key at the lower end of the side of the soldering iron tool to execute resistance welding work;
s4, executing the soldering iron tool,
when the soldering iron body 3 is in the tip-connected state, by controlling a large current to flow through the tip of the soldering iron body 3, since the tip of the soldering iron body 3 is in the circuit loop, according to the joule's law formula: q=i 2 Rt, the place with large resistance heats up greatly, the place with small resistance heats up little, the middle resistance is smaller, the volume is smaller at the same time, release a lot of heat in the metal of smaller volume instantly, make the main body of the soldering iron heat up to the temperature that the soldering tin melts instantly, in order to achieve the welding function;
when the soldering iron main body 3 is in a disconnected state, the soldering iron is manually adjusted in the use process, the soldering iron tip is pressed on the two welded parts, the trigger key is pressed, high temperature is generated at the pressed points of the two welded parts pressed by the soldering iron tip, and welding is formed at the two pressed points, so that the welding function is achieved.
The pressing plane of the soldering iron tip and the center line of the soldering iron are inclined to 75 degrees, so that the pressing is more comfortable;
meanwhile, a small section of plane perpendicular to the compression plane is arranged on the side surface of the tip part of the soldering iron main body, the length of the plane is 2mm, and the purpose is to conveniently use the side surface to push a bonding wire forward to the side surface of a component for welding;
in order to achieve precise control of temperature, precise control of discharge time is required, and the discharge time precision is controlled to be in the order of 10 microseconds.
In the actual welding process of the two groups of embodiments, the welded parts should be plated with tin in advance so as to facilitate welding, after the welded parts are pressed tightly, the trigger button is pressed manually by the soldering iron main body 3, the soldering tin on the welded parts is melted and fused together immediately, in the welding process, the welded parts are always in a tightly pressed state, and the effect of the heating time on welding quality is proved to be very small, the welding is almost completed instantaneously, the heating temperature is one of key elements for controlling the welding quality, when the heating temperature is too high, the condition that the welded parts are burnt out is generated, or the soldering head is burnt through is generated, and when the heating temperature is too low, the soldering tin is not fully melted, so that unconnected or virtual welding is generated, and the pressed welded parts are conductive to heat transfer so that the soldering tin can be melted quickly, the welded parts are tightly connected tightly, and the soldering tin between the welded parts is fused quickly after the temperature reaches melting.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The novel wireless pulse soldering iron is characterized by comprising a shell, a soldering iron main body (3), a circuit board assembly (4) and a storage battery (5);
the electrode of the storage battery (5) is connected with the circuit board assembly (4), and the storage battery (5) and the circuit board assembly (4) are filled in the cavity of the shell together;
the soldering iron main body (3) is fixed at the bottom of the shell through the pressing element in an inserting way, and the soldering iron main body (3) is connected with the circuit board assembly (4) through the conducting element in a conducting way;
the soldering iron comprises a soldering iron body (3), wherein the soldering iron body comprises a soldering iron head (31), a slit (32) is formed in the soldering end part of the soldering iron head (31), and a tip (33) is arranged on the bottom welding plane of the soldering iron head (31).
2. A novel wireless pulse soldering iron according to claim 1, wherein,
the tip (33) is in a connected state;
the slit (32) of the soldering end of the soldering bit (31) extends downwards to a distance within 0.1-0.5 mm of the tip (33), and bare metal leakage is arranged at two sides separated by the slit (32);
the welding plane of the tip (33) and the central line of the soldering bit (31) have a certain inclination angle, and the inclination angle is between 10 and 50 degrees.
3. The novel wireless pulse soldering iron according to claim 1, wherein the shell comprises a front cover plate (1) and a rear cover plate (2), and the front cover plate (1) and the rear cover plate (2) are in interference fastening connection with each other.
4. The novel wireless pulse soldering iron according to claim 1, wherein the circuit board assembly (4) comprises a PCBA, an MCU, a power device, a charging circuit and a trigger circuit are mounted on the PCBA, and the power device comprises a trigger key, an adjusting key, a reset key, a screen and a buzzer.
5. The novel wireless pulse soldering iron according to claim 4, wherein the installation connection state of each power device of the circuit board assembly (4) is as follows:
triggering a series capacitor and a parallel resistor in a circuit of the MCU output control power device;
a trigger button for triggering the heating of the soldering iron main body (3) is positioned at the middle lower part of the soldering iron;
the power supply circuit contact points on the PCBA are respectively connected with two ends of a slit (32) of the soldering iron main body (3);
two connection points of a power supply circuit on the PCBA, wherein one connection point is connected to the cathode of a storage battery (5), the other end of the connection point is connected to a Mos tube, a trigger pin of the Mos tube is connected with an optical coupling isolation chip, a trigger pin of the optical coupling isolation chip is connected to a pulse width limiting circuit, and the pulse width limiting circuit is connected to the MCU;
the MCU is connected with the trigger key, the adjusting key, the reset key, the screen and the buzzer through the GPIO;
the adjusting key and the reset key are arranged at the front upper part of the appearance of the soldering iron.
6. A new type of wireless pulse soldering iron according to claim 1, characterized in that the hold-down element comprises a hold-down plate (21) mounted in the bottom of the housing of the back-up plate (2) in the housing, a fastening nut (22) threaded through the interior of the hold-down plate (21), and a tightening screw seat (41) mounted through the bottom plate of the circuit board assembly (4);
the conducting element comprises two electrodes arranged on the back of a bottom plate of the circuit board assembly (4);
the iron main body (3) is tightened by utilizing the screw threads between the fastening nut (22), the gland plate (21) and the tightening screw seat (41), the iron main body (3) and the PCBA of the circuit board assembly (4) are locked together, and two ends of a slit (32) of the iron main body (3) are respectively connected to two electrodes on the back of the upper bottom plate of the PCBA.
7. The novel wireless pulse soldering iron as claimed in claim 6, wherein the cover plate (21) is made of a hard insulating heat-resistant material, and is made of one of ABS, PC/ABS and PS materials.
8. A new type of wireless pulse soldering iron according to claim 1, characterized in that the soldering iron body (3) further comprises a form of a disconnected soldering iron body having two tips, which are spaced apart by 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321199263.0U CN220028942U (en) | 2023-05-18 | 2023-05-18 | Novel wireless pulse soldering iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321199263.0U CN220028942U (en) | 2023-05-18 | 2023-05-18 | Novel wireless pulse soldering iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220028942U true CN220028942U (en) | 2023-11-17 |
Family
ID=88723571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321199263.0U Active CN220028942U (en) | 2023-05-18 | 2023-05-18 | Novel wireless pulse soldering iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220028942U (en) |
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2023
- 2023-05-18 CN CN202321199263.0U patent/CN220028942U/en active Active
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