CN103252569A - Portable miniature energy-storing spot welding machine - Google Patents
Portable miniature energy-storing spot welding machine Download PDFInfo
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- CN103252569A CN103252569A CN201310201248XA CN201310201248A CN103252569A CN 103252569 A CN103252569 A CN 103252569A CN 201310201248X A CN201310201248X A CN 201310201248XA CN 201310201248 A CN201310201248 A CN 201310201248A CN 103252569 A CN103252569 A CN 103252569A
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Abstract
The invention provides a portable miniature energy-storing spot welding machine. The portable miniature energy-storing spot welding machine comprises a nickel-metal hydride battery pack (1) equipped with a charger, a spot welding control circuit module (2), an energy-storing charging switch (3), a Farad-level energy-storing capacitor (4), a spot welding discharging switch (5), a spot welding gun (6) provided with a manual control switch, a grounding clamp (7) connected with the welding machine through a cable, and an energy regulation and display panel (8), wherein the nickel-metal hydride battery pack (1), the spot welding control circuit module (2) and the energy-storing charging switch (3) are connected mutually, the spot welding control circuit module (2) is further connected with the spot welding discharging switch (5), the spot welding gun (6), the grounding clamp (7) and the energy regulation and display panel (8), the energy-storing charging switch (3) is connected with the Farad-level energy-storing capacitor (4), the Farad-level energy-storing capacitor (4) is connected with the spot welding control circuit module (2), the energy-storing charging switch (3), the spot welding discharging switch (5) and the energy regulation and display panel (8), the spot welding discharging switch (5) is connected with the spot welding gun (6), the spot welding gun (6) is connected with the energy regulation and display panel (8), and the grounding clamp (7) is connected with the energy regulation and display panel (8). The portable miniature energy-storing spot welding machine is designed for welding thin/ultra-thin steel plates or delicate and miniature parts, and can be used for solving the problem of fast on-site installation of some sensors.
Description
Technical field
The present invention relates to the Electromechanical Control technical field, especially relate to a kind of portable minisize reserve energy spot welding machine.
Background technology
It is a kind of annexation commonly used between metal current material and the metal material that spot welding connects, and common spot welding operation is all welded by mash welder.
Current in heavy construction installation security monitoring systems such as railway, bridge and electric power, the installation of sensor is the key technology of obtaining monitor signal.General bonding, riveted joint or the bolting of adopting of strain gauge, current divider type current sensor for example, also can produce the measured point and damage etc. sometimes the construction technology complexity.And erection unit is not easy to carry, and has limited the popularization in some fields.
Known spot-welding technology is when utilizing big electric current by workpiece crimping point, and the basic principle of the instantaneous heating added metal of contact resistance makes spot-welding technology have unique advantage at some production fields.But the general industrial mash welder is to adopt ac power supply, obtains low-voltage high-current power source by step-down transformer or electronic inverter, and also some percussion welder also will heat solder joint through secondary iron core loop coupling energy.The heavy inconvenience of the low equipment of power consumption efficiency is carried.Namely enable to weld frivolous parts, electric current is regulated also accurate inadequately, is difficult to be competent at as above-mentioned sensor the portable hand-held spot welding working condition requirement of one class is installed.
Therefore, need a urgent technical problem that solves to be exactly instantly: how can propose a kind of effective measures, to have solved problems of the prior art.
Summary of the invention
Technical problem to be solved by this invention provides a kind of portable minisize reserve energy spot welding machine, and/ultrathin steel plate slim for welding or exquisite microminiature parts design, and can be used for the problem of the on-the-spot Fast Installation of some sensors of solution.
In order to address the above problem, the invention discloses a kind of portable minisize reserve energy spot welding machine, comprise the Ni-MH battery group (1) of being furnished with charger, spot welding control circuit module (2), energy storage charge switch (3), farad level storage capacitor (4), spot welding discharge switch (5), the spot-welding gun (6) that has hand control switch, the earth clip (7) and energy adjustment and the display floater (8) that link to each other with welding machine by cable, wherein, described Ni-MH battery group (1) of being furnished with charger is connected with energy storage charge switch (3) with spot welding control circuit module (2), spot welding control circuit module (2) and the Ni-MH battery group (1) of being furnished with charger, energy storage charge switch (3), spot welding discharge switch (5), the spot-welding gun (6) that has hand control switch, be connected with display floater (8) with energy adjustment with the earth clip (7) that welding machine links to each other by cable, energy storage charge switch (3) and the Ni-MH battery group (1) of being furnished with charger, spot welding control circuit module (2) is connected with farad level storage capacitor (4), farad level storage capacitor (4) and spot welding control circuit module (2), energy storage charge switch (3) is connected with spot welding discharge switch (5), spot welding discharge switch (5) and spot welding control circuit module (2), farad level storage capacitor (4) is connected with the spot-welding gun that has hand control switch (6), the spot-welding gun (6) that has hand control switch is connected with display floater (8) with energy adjustment with spot welding discharge switch (5), is connected with display floater (8) with energy adjustment with the earth clip (7) that welding machine links to each other by cable.
Further, described portable minisize reserve energy spot welding machine also comprises the satchel formula engineering plastics seal boxs (9) of waterproof, be used for describedly being furnished with charger Ni-MH battery group (1), spot welding control circuit module (2), energy storage charge switch (3), farad grade storage capacitor (4), spot welding discharge switch (5), have the spot-welding gun (6) of hand control switch, the earth clip (7) that links to each other with welding machine by cable and energy adjustment and display floater (8) be loaded in it.
Further, described portable minisize reserve energy spot welding machine also comprises solar charger (10), and described solar charger (10) is connected with the satchel formula engineering plastics seal boxs (9) of display floater (8) and waterproof with the Ni-MH battery group (1) of being furnished with charger, energy adjustment.
Further, described spot welding control circuit module (2) comprise with cell voltage be converted to modular power source mu balanced circuit (2a), according to charging voltage regulate the charging control circuit (2b) of charging current automatically, the energy settings circuit (2c) that stops automatically charging by comparison reference voltage, the spot welding charge/discharge control circuit (2d) that triggers by button and discharge and recharge duty indicating circuit (2e).
Further, described energy storage charge switch (3) and spot welding discharge switch (5) are made of the automotive grade FET electronic switch that has break-make control, and the control input end of energy storage charge switch (3) links to each other with the output of charging control circuit (2b); The control input end of spot welding discharge switch (5) is connected with the output of spot welding charge/discharge control circuit (2d).
Further, described energy adjustment and display floater (8) comprise transfer switch (8a), energy adjustment knob (8b), digital show (8c) of energy storage, battery charge socket (8d), spot welding triggering signal socket (8e), working station indicator (8f) and big current output terminal (8g) that is connected welding gun, wherein, transfer switch (8a) is connected with the Ni-MH battery group (1) of being furnished with charger, energy adjustment knob (8b) is connected with spot welding control circuit module (2), digital show (8c) of energy storage is connected with farad level storage capacitor (4) with the Ni-MH battery group (1) of being furnished with charger, battery charge socket (8d) is connected with the Ni-MH battery group (1) of being furnished with charger, spot welding triggering signal socket (8e) is connected with the spot-welding gun that has hand control switch (6) with spot welding control circuit module (2), working station indicator (8f) is connected with spot welding control circuit module (2), connects big current output terminal (8g) and spot welding control circuit module (2) of welding gun, the spot-welding gun (6) that has hand control switch links to each other with the earth clip that links to each other with welding machine by cable (7).
Further, the described spot-welding gun (6) that has hand control switch comprises the plastics pistol handle (6b) of the spot-welding gun head (6a), mounting points arc welding gun head and the tie point welding cable that have lock screw and is connected to the welding trigger switch (6c) that the mash welder panel triggers socket, after entering the welding SBR, pull trigger button and can implement spot welding.
To sum up this programme directly adopts capacitance energy storage control, simplified circuit structure, when satisfying the requirement of sensor fixed support welding energy, improve capacity usage ratio, reduced supply voltage, reduced volume, weight and product cost, safe and reliable, be used for single face thin plate spot-welding technology, particularly by weldering part easy accessibility, can not exert an influence to working face.Experimental results show that the present invention has realized the desired design function and reached application purpose, can be used for the problem of the on-the-spot Fast Installation of solution sensor, become the utility device that is fit to the field condition construction.
Description of drawings
Fig. 1 is the structural representation of portable minisize reserve energy spot welding machine of the present invention;
Fig. 2 is portable minisize reserve energy spot welding machine circuit structure theory diagram of the present invention;
Fig. 3 is portable minisize reserve energy spot welding machine guidance panel figure of the present invention;
Fig. 4 is that portable minisize reserve energy spot welding machine typical case of the present invention uses schematic diagram.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and example the present invention is described in further detail.But it is not as a limitation of the invention that institute gives an actual example.
Be illustrated in figure 1 as the structural representation of portable minisize reserve energy spot welding machine of the present invention, specifically comprise the Ni-MH battery group (1) of being furnished with charger, spot welding control circuit module (2), energy storage charge switch (3), farad level storage capacitor (4), spot welding discharge switch (5), the spot-welding gun (6) that has hand control switch, the earth clip (7) and energy adjustment and the display floater (8) that link to each other with welding machine by cable, wherein, described Ni-MH battery group (1) of being furnished with charger is connected with energy storage charge switch (3) with spot welding control circuit module (2), spot welding control circuit module (2) and the Ni-MH battery group (1) of being furnished with charger, energy storage charge switch (3), spot welding discharge switch (5), the spot-welding gun (6) that has hand control switch, be connected with display floater (8) with energy adjustment with the earth clip (7) that welding machine links to each other by cable, energy storage charge switch (3) and the Ni-MH battery group (1) of being furnished with charger, spot welding control circuit module (2) is connected with farad level storage capacitor (4), farad level storage capacitor (4) and spot welding control circuit module (2), energy storage charge switch (3) is connected with spot welding discharge switch (5), spot welding discharge switch (5) and spot welding control circuit module (2), farad level storage capacitor (4) is connected with the spot-welding gun that has hand control switch (6), the spot-welding gun (6) that has hand control switch is connected with display floater (8) with energy adjustment with spot welding discharge switch (5), is connected with display floater (8) with energy adjustment with the earth clip (7) that welding machine links to each other by cable.
Preferably, described portable minisize reserve energy spot welding machine, the satchel formula engineering plastics seal boxs (9) that also comprise waterproof, be used for describedly being furnished with charger Ni-MH battery group (1), spot welding control circuit module (2), energy storage charge switch (3), farad grade storage capacitor (4), spot welding discharge switch (5), have the spot-welding gun (6) of hand control switch, the earth clip (7) that links to each other with welding machine by cable and energy adjustment and display floater (8) be loaded in it.
Preferably, described portable minisize reserve energy spot welding machine, also comprise solar charger (10), described solar charger (10) is connected with the satchel formula engineering plastics seal boxs (9) of display floater (8) and waterproof with the Ni-MH battery group (1) of being furnished with charger, energy adjustment.
Preferably, described spot welding control circuit module (2) comprise with cell voltage be converted to modular power source mu balanced circuit (2a), according to charging voltage regulate the charging control circuit (2b) of charging current automatically, the energy settings circuit (2c) that stops automatically charging by comparison reference voltage, the spot welding charge/discharge control circuit (2d) that triggers by button and discharge and recharge duty indicating circuit (2e).
Preferably, described energy storage charge switch (3) and spot welding discharge switch (5) are made of the automotive grade FET electronic switch that has break-make control, and the control input end of energy storage charge switch (3) links to each other with the output of charging control circuit (2b); The control input end of spot welding discharge switch (5) is connected with the output of spot welding charge/discharge control circuit (2d).
Preferably, described energy adjustment and display floater (8) comprise transfer switch (8a), energy adjustment knob (8b), digital show (8c) of energy storage, battery charge socket (8d), spot welding triggering signal socket (8e), working station indicator (8f) and big current output terminal (8g) that is connected welding gun, wherein, transfer switch (8a) is connected with the Ni-MH battery group (1) of being furnished with charger, energy adjustment knob (8b) is connected with spot welding control circuit module (2), digital show (8c) of energy storage is connected with farad level storage capacitor (4) with the Ni-MH battery group (1) of being furnished with charger, battery charge socket (8d) is connected with the Ni-MH battery group (1) of being furnished with charger, spot welding triggering signal socket (8e) is connected with the spot-welding gun that has hand control switch (6) with spot welding control circuit module (2), working station indicator (8f) is connected with spot welding control circuit module (2), connects big current output terminal (8g) and spot welding control circuit module (2) of welding gun, the spot-welding gun (6) that has hand control switch links to each other with the earth clip that links to each other with welding machine by cable (7).
Preferably, the described spot-welding gun (6) that has hand control switch comprises the plastics pistol handle (6b) of the spot-welding gun head (6a), mounting points arc welding gun head and the tie point welding cable that have lock screw and is connected to the welding trigger switch (6c) that the mash welder panel triggers socket, after entering the welding SBR, pull trigger button and can implement spot welding.
Be illustrated in figure 2 as portable minisize reserve energy spot welding machine circuit structure theory diagram, the portable minisize reserve energy spot welding machine is made up of with the earth clip that links to each other with welding machine by cable (7) power supply (1), control circuit module (2), energy storage charge switch (3), storage capacitor (4), the spot welding discharge switch (5) of serial connection successively, the welding gun (6) that has a spot welding trigger switch.And each port of control module (2) is connected realization spot welding control function with above-mentioned parts.
After utilizing energy adjustment knob (8b) regulator potentiometer dividing potential drop to set reference voltage, the internal comparator of energy storage control module begins to detect the charging voltage of storage capacitor.When charging voltage reached the benchmark of setting, comparator output control signal stopped charging automatically.In charging and discharge process, control module can produce pwm pulse and be added to the charge and discharge switch control end, self-regulating charge-discharge velocity.
Be illustrated in figure 3 as portable minisize reserve energy spot welding machine guidance panel figure, described portable minisize reserve energy spot welding machine energy adjustment and display floater (8) are equipped with transfer switch (8a), energy adjustment knob (8b), energy storage demonstration (8c), battery charge socket (8d), welding triggering socket (8e), working station indicator (8f) and output wiring terminal (8g) above.Control circuit module (2) realizes that by connector energy adjustment is connected with the signal of display floater (8).The switching of function switch (8a) can make whole mash welder be in spot welding, shutoff and charged state respectively.
Among the embodiment, shell is satchel formula engineering plastics seal boxs (9) as shown in Figure 4.When needing to use, open the case lid of (9), earthing clamp is being welded on the bottom workpieces, rotary switch (8a) to " spot welding " position, regulating energy (8b) makes (8c) show required voltage, indicator lamp (8f) shows after " ready ", and arc welding gun head (6a) is pressed in the bond pad locations of being welded thin slice, and cocking (6c) is namely finished a spot welding.
More than be that the present invention is able to practical key technology place.
The key technical indexes:
Welding energy adjustable range: 10J-60J
Maximum output: 100J
Throat thickness: 0.05-0.3 (mm)
Enclosure volume: 285 * 213 * 155 (mm)
3
Complete machine weight: 3.5Kg
Operating voltage: direct current 24V
Charging back spot welding number of times:〉3000
Further specify, the present invention to the specification requirement that this welding machine proposes is:
1. the machine structure design is gone up and is wanted compact, firm, is easy to carry, and satisfies the outdoor environment instructions for use.
2. consider low consumption, high efficiency circuit design emphatically, guarantee that the battery that carries can be excessive not overweight.
3. spot welding discharge switch loop response speed is fast, loss is little, can produce instantaneous high-power output.
4. operating voltage must be lower than 36V, guarantees user of service's safety.
According to above engineering application requirements, the present invention has solved following problem in realization:
1. for guaranteeing safe voltage, described power supply directly uses the battery pack that is lower than 36V.For example select the 24V/4Ah Ni-MH battery for use, energy stored is in the battery: 24V * 4A * 3600s=345600J, even according to 50% spot welding efficient, average every some power consumption 50J can weld (345600 * 50%)/50=3456 point after the each charging of battery.Can satisfy the instructions for use of on-the-spot spot welding 1000 times.
2. described low-voltage energy-storage capacitor (4) reaches the welding energy requirement in order to make each discharge, and the storage capacitor amount of selecting for use and operating voltage are by capacitance energy storage formula W=C * V
2/ 2 estimations namely can meet design requirement.
3. described contactless discharge switch (5) that can be by the above transient high-current of KA, because the welding machine operating voltage is very low, select the special switch circuit module of the FET of high-power low-voltage for use, internal resistance only is 2m Ω, and in parallel use of several devices reaches specification requirement fully.
4. described safe and reliable charging and discharging control module adopts special control chip, can produce pwm signal automatically according to charging voltage and regulate charging current, has solved the contradiction in charge efficiency and charging interval.And rational circuit layout, having avoided can be not disturbed when heavy-current discharge.
5. described mash welder uses 24 volts of standard type nickel-hydrogen accumulator power supplies, and when the external interchange of change-over switch or solar charger, internal battery is charging automatically.
The present invention adopts farad level electric capacity as the spot welding accumulation power supply according to above specification requirement, mixes self adaptation charging and low-voltage, high-current discharge circuit fast, has realized above special spot welding function.By the theory of welding and engineering experience as can be known, the energy of the instantaneous welding of solder joint according to workpiece thickness needs at 20～100J(joule) adjustable, and in the time of millisecond, have enough energy densities, temperature rise just can reach the weldment fusing point.
Small product size of the present invention is little in light weight, the A-battery power supply, safe and reliable, can carry for field condition, be a kind of seriation novel electromechanical product that special slim for welding/ultrathin steel plate or exquisite microminiature parts design, practicality shows that product of the present invention can be used for the problem of the on-the-spot Fast Installation of some sensors of solution.
More than portable minisize reserve energy spot welding machine provided by the present invention and using method thereof are described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. portable minisize reserve energy spot welding machine, comprise the Ni-MH battery group (1) of being furnished with charger, spot welding control circuit module (2), energy storage charge switch (3), farad level storage capacitor (4), spot welding discharge switch (5), the spot-welding gun (6) that has hand control switch, the earth clip (7) and energy adjustment and the display floater (8) that link to each other with welding machine by cable, wherein, described Ni-MH battery group (1) of being furnished with charger is connected with energy storage charge switch (3) with spot welding control circuit module (2), spot welding control circuit module (2) and the Ni-MH battery group (1) of being furnished with charger, energy storage charge switch (3), spot welding discharge switch (5), the spot-welding gun (6) that has hand control switch, be connected with display floater (8) with energy adjustment with the earth clip (7) that welding machine links to each other by cable, energy storage charge switch (3) and the Ni-MH battery group (1) of being furnished with charger, spot welding control circuit module (2) is connected with farad level storage capacitor (4), farad level storage capacitor (4) and spot welding control circuit module (2), energy storage charge switch (3) is connected with spot welding discharge switch (5), spot welding discharge switch (5) and spot welding control circuit module (2), farad level storage capacitor (4) is connected with the spot-welding gun that has hand control switch (6), the spot-welding gun (6) that has hand control switch is connected with display floater (8) with energy adjustment with spot welding discharge switch (5), is connected with display floater (8) with energy adjustment with the earth clip (7) that welding machine links to each other by cable.
2. portable minisize reserve energy spot welding machine as claimed in claim 1, it is characterized in that, the satchel formula engineering plastics seal boxs (9) that also comprise waterproof, be used for describedly being furnished with charger Ni-MH battery group (1), spot welding control circuit module (2), energy storage charge switch (3), farad grade storage capacitor (4), spot welding discharge switch (5), have the spot-welding gun (6) of hand control switch, the earth clip (7) that links to each other with welding machine by cable and energy adjustment and display floater (8) be loaded in it.
3. portable minisize reserve energy spot welding machine as claimed in claim 2, it is characterized in that, also comprise solar charger (10), described solar charger (10) is connected with the satchel formula engineering plastics seal boxs (9) of display floater (8) and waterproof with the Ni-MH battery group (1) of being furnished with charger, energy adjustment.
4. portable minisize reserve energy spot welding machine as claimed in claim 1, it is characterized in that, described spot welding control circuit module (2) comprise with cell voltage be converted to modular power source mu balanced circuit (2a), according to charging voltage regulate the charging control circuit (2b) of charging current automatically, the energy settings circuit (2c) that stops automatically charging by comparison reference voltage, the spot welding charge/discharge control circuit (2d) that triggers by button and discharge and recharge duty indicating circuit (2e).
5. portable minisize reserve energy spot welding machine as claimed in claim 4, it is characterized in that, described energy storage charge switch (3) and spot welding discharge switch (5), be made of the automotive grade FET electronic switch that has break-make control, the control input end of energy storage charge switch (3) links to each other with the output of charging control circuit (2b); The control input end of spot welding discharge switch (5) is connected with the output of spot welding charge/discharge control circuit (2d).
6. portable minisize reserve energy spot welding machine as claimed in claim 4, it is characterized in that, described energy adjustment and display floater (8) comprise transfer switch (8a), energy adjustment knob (8b), digital show (8c) of energy storage, battery charge socket (8d), spot welding triggering signal socket (8e), working station indicator (8f) and big current output terminal (8g) that is connected welding gun, wherein, transfer switch (8a) is connected with the Ni-MH battery group (1) of being furnished with charger, energy adjustment knob (8b) is connected with spot welding control circuit module (2), digital show (8c) of energy storage is connected with farad level storage capacitor (4) with the Ni-MH battery group (1) of being furnished with charger, battery charge socket (8d) is connected with the Ni-MH battery group (1) of being furnished with charger, spot welding triggering signal socket (8e) is connected with the spot-welding gun that has hand control switch (6) with spot welding control circuit module (2), working station indicator (8f) is connected with spot welding control circuit module (2), connects big current output terminal (8g) and spot welding control circuit module (2) of welding gun, the spot-welding gun (6) that has hand control switch links to each other with the earth clip that links to each other with welding machine by cable (7).
7. portable minisize reserve energy spot welding machine as claimed in claim 4, it is characterized in that, the described spot-welding gun (6) that has hand control switch comprises the plastics pistol handle (6b) of the spot-welding gun head (6a), mounting points arc welding gun head and the tie point welding cable that have lock screw and is connected to the welding trigger switch (6c) that the mash welder panel triggers socket, after entering the welding SBR, pull trigger button and can implement spot welding.
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| CN201310201248.XA CN103252569B (en) | 2013-05-27 | 2013-05-27 | Portable minisize reserve energy spot welding machine |
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| CN201310201248.XA CN103252569B (en) | 2013-05-27 | 2013-05-27 | Portable minisize reserve energy spot welding machine |
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| CN103252569A true CN103252569A (en) | 2013-08-21 |
| CN103252569B CN103252569B (en) | 2016-05-18 |
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| CN107470746A (en) * | 2017-09-25 | 2017-12-15 | 陈炳周 | Low current input, the energy storage of High-current output release condenser discharge welder |
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