CN209380044U

CN209380044U - A kind of electronic welding bench control circuit and electronic welding bench

Info

Publication number: CN209380044U
Application number: CN201822187507.9U
Authority: CN
Inventors: 宋旭初
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-25
Filing date: 2018-12-25
Publication date: 2019-09-13
Anticipated expiration: 2028-12-25

Abstract

A kind of electronic welding bench control circuit and electronic welding bench, the utility model belong to control electronic welding device field.The utility model provide it is a kind of can illuminate, discharge fume, the electronic welding bench control circuit that noise is small, clamping is stable, cost performance is high and electronic welding bench.In the utility model, charging circuit, pressure regulation output circuit, fixed voltage output module, draft fan control circuit and lighting lamp control circuit input terminal be connected in parallel with the output end of power protecting circuit, for receiving electric energy；The output end of pressure regulation output circuit and the output end of power protecting circuit are connect with the input terminal of measuring circuit, for providing different electric energy to measuring circuit；The input terminal of the output end and measuring circuit that measure sample circuit connects, and is transmitted to measuring circuit for will measure the signal that sample circuit measures.The utility model is mainly used for electronic welding.

Description

A kind of electronic welding bench control circuit and electronic welding bench

Technical field

The utility model belongs to control electronic welding device field, and in particular to a kind of electronic welding bench control circuit and electronics weldering It is consecutive.

Background technique

21 century, electronic technology have goed deep into each global corner, and the high-pressure sodium lamp to become clear from street is got home In standing computer, television set, and the mobile phone being often held in the hand to us, electronics glittered in we live out it Radiance also emerges many electrophiles at one's side and likes the personage of DIY.Electrophile is when carrying out electronic welding, always It is that smog is surround, is unfavorable for health in a large amount of solid flue dust suction bodies；Unmanned to help, weldment is unstable when welding, makes to weld It can not be successfully progress, the phenomenon that scald when serious；It is tested, and can not be searched out in time suitably using different voltages Power supply is tested.

In view of the above-mentioned problems, the prior art has the following problems: electronic welding bench has a single function；Power supply needs alternating current to supply Electricity can not move, and volume is larger, on the high side；Clamping auxiliary only relies on universal soft folder and realizes that unstable, clamping effect is not It is good；Draft fan volume is big, and noise is big, and price is higher, and to student, cost performance is low for electrophile and DIY personage.

It is therefore desirable to the electronic welding bench control that one kind can be illuminated, be discharged fume, noise is small, clamping is stable, cost performance is high Circuit and electronic welding bench.

Utility model content

The utility model is lacked for existing electronic welding bench cannot be illuminated, cannot be discharged fume, noise is big, cost performance is low Fall into, provide it is a kind of can illuminate, discharge fume, the electronic welding bench control circuit that noise is small, clamping is stable, cost performance is high and electronics Welding bench.

The technical solution of a kind of electronic welding bench control circuit and electronic welding bench involved in the utility model is as follows:

A kind of electronic welding bench control circuit involved in the utility model, it include power protecting circuit, charging circuit, Pressure regulation output circuit, fixed voltage output module, draft fan control circuit, lighting lamp control circuit, measuring circuit and measurement Sample circuit；The charging circuit, pressure regulation output circuit, fixed voltage output module, draft fan control circuit and headlamp The input terminal of control circuit is connected in parallel with the output end of power protecting circuit, for receiving electric energy；The pressure regulation output electricity The output end on road and the output end of power protecting circuit are connect with the input terminal of measuring circuit, for providing not to measuring circuit Same electric energy；The output end of the measurement sample circuit and the input terminal of measuring circuit connect, for that will measure sample circuit survey The signal measured is transmitted to measuring circuit.

Further: the power protecting circuit is set there are three port, and the power protecting circuit includes battery pack, 3.7V The input terminal of protection board and 12V protection board, the 3.7V protection board and 12V protection board is connect with the output end of battery pack respectively, The output end of the 3.7V protection board includes negative pole end and the end+3.7V, the output end of the 12V protection board include negative pole end and+ The end 12V；The battery pack is lithium-ion-power cell.

Further: the charging circuit includes diode D1, USB charging chip, resistance R1, resistance R2, light-emitting diodes The input terminal of pipe LED-G and charging module, the charging module is electrically connected with household, and output+12V is electric respectively for the charging module Pressure and+5V voltage, and three ports are connect with three port negative pole ends, the end+3.7V and the end+12V of power protecting circuit respectively, For charging to lithium battery group, diode D1 is accessed on the firewire of the output+12V, for ending backward voltage；+ the 5V Firewire on access USB charging chip, be used for pressure stabilizing output voltage；The resistance R1 and Light-emitting diode LED-G series connection access+ Between the firewire and zero curve of 12V voltage, for showing charged state；On the resistance R2 access zero curve.

Further: the pressure regulation output circuit is connected in parallel on the end+12V of power protecting circuit with draft fan control circuit And negative pole end, the measuring circuit and lighting lamp control circuit in parallel are in the end+3.7V of power protecting circuit and negative pole end；

The pressure regulation output circuit includes boost chip, decompression chip, switch S1, single-pole double-throw switch (SPDT) S2, resistance R5, electricity Hinder R6, Light-emitting diode LED-H, Light-emitting diode LED-L, Light-emitting diode LED-R, relay S3 and relay S4；It is described The end IN of boost chip and decompression chip is connected in parallel on the end+12V and the negative pole end of power protecting circuit respectively, the boost chip and The end IN+ of decompression chip is connect with the moved end of single-pole double-throw switch (SPDT) S2, the first non-moving end of the single-pole double-throw switch (SPDT) S2 passes through Second non-moving end of the connection of the end IN- of resistance R5 and Light-emitting diode LED-H and boost chip, the single-pole double-throw switch (SPDT) S2 is logical It crosses resistance R6 and Light-emitting diode LED-L and is connect with the end IN- for being depressured chip, the first non-moving end of the single-pole double-throw switch (SPDT) S2 It is connect respectively with the coil input end of relay S4 and relay S5 with the second non-moving end, the relay S4 and relay S5's The end OUT+ of coil output ground connection, the boost chip and decompression chip passes through the normally opened of relay S4 and relay S5 respectively The normal open switch output end of switch input terminal connection, the relay S4 and relay S5 are the anode output of pressure regulation output circuit The end OUT- of end, the boost chip and decompression chip is the cathode output end of pressure regulation output circuit；The light emitting diode LED-R is in parallel with decompression chip, and the fixed voltage output mouth is 12V heavy current output port, and the boost chip is to rise DC power convertor chip XL6009 is pressed, the decompression chip is decompression DC supply convertor chip XL4005.

Further: the draft fan control circuit includes switch S5, slide rheostat RX, thyristor VT2, capacitor C1 And draft fan, one end of the switch S5 is connect with the end+12V, the other end and the one end slide rheostat RX connect, the sliding The other end and sliding end of rheostat RX is connect with the base stage of thyristor VT2, and the collector of the thyristor VT2 accesses switch S5 Between slide rheostat RX, the emitter of the thyristor VT2 is connect with draft fan, and the capacitor C1 is connected in parallel on Smoke Fan both ends.

Further: the measuring circuit includes ammeter, inductance L3, fuse FU, switch S6, capacitor C4, resistance R7, bee Ring device, Light-emitting diode LED-B, measurement port VA, measurement port COM and access buzzing detection port, the instruction of the ammeter End and measurement end are connect with shifting switch, the power end anode of the ammeter pass through inductance L3 and power protecting circuit+ The connection of the end 3.7V, the power end cathode of the ammeter and the negative pole end of power protecting circuit connect, and the inductance L3 is connected in parallel on electricity The measurement end of table input terminal both ends, the fuse FU and ammeter connects, and the positive terminal of the buzzer passes through resistance R7 and electricity Hold the anode connection of C4, the negative pole end of the buzzer is connect with access buzzing detection port；Light-emitting diode LED-the B's The positive terminal of positive terminal and buzzer connects, the negative pole end of the Light-emitting diode LED-B is grounded.

Further: the lighting lamp control circuit includes knob S7, thyristor VT and headlamp, and the knob S7 is six The input terminal of gear switch, the knob S7 is connect with the end+3.7V, and the output end of the knob S7 is connect with headlamp, the rotation The adjustable end of button S7 is connect with the collector of thyristor VT, one grade and the headlamp of the base stage access knob S7 of the thyristor VT Between, the emitter of the thyristor VT is connect with headlamp.

A kind of electronic welding bench based on the electronic welding bench control circuit, it includes shell, workbench, Smoke Fan, headlamp, display, Iron Stand, case, fixed plate and control circuit；The workbench is fixed on the upper surface of shell, The output end of the draft fan control circuit and lighting lamp control circuit connects with the input terminal of draft fan and headlamp respectively It connects；The input terminal of the display and the output end of power protecting circuit connect, and are used for real-time display remaining capacity；The smoke evacuation Fan, headlamp, display, Iron Stand be each attached on shell and be located at workbench around, the draft fan, headlamp and The input terminal of display is connect with control system respectively；The fixed plate and control system are respectively positioned on interior of shell, the control System is fixed in fixed plate, and the case is set to interior of shell and is detachably connected with shell.

Further: it further includes aid auxiliary device, and the aid auxiliary device is universal soft folder；The workbench and Shell offers the rubbish cleaning eye being connected to enclosure bottom；The outer casing bottom is equipped with Slippery proof foot pad.

The beneficial effect of a kind of electronic welding bench control circuit and electronic welding bench involved in the utility model is:

A kind of electronic welding bench control circuit and electronic welding bench involved in the utility model have and discharge fume and illumination function Can, function is assisted using regulated power supply, panel type meter, 5VUSB power supply and 12V output function, and clamping auxiliary, Iron Stand etc. Energy；Have feature-rich, freedom degree is high, and controllability is good, and power is strong, and battery durable ability is excellent, lighter in weight, moves, no It is limited by ambient enviroment, the features such as high temperature resistant；It is provided effectively for student, electrophile, DIY personage and electronic maintenance personnel Actual help.A kind of electronic welding bench control circuit and electronic welding bench involved in the utility model, have it is multi-functional, it is real It is strong with property, the high advantage of cost performance.

Detailed description of the invention

Fig. 1 is a kind of control system electrical principle block diagram of electronic welding bench control circuit；

Fig. 2 is power protecting circuit figure；

Fig. 3 is charging circuit diagram；

Fig. 4 is that pressure regulation exports power circuit diagram；

Fig. 5 is draft fan electric operation control circuit figure；

Fig. 6 is measuring circuit figure；

Fig. 7 is shifting switch schematic diagram；

Fig. 8 is lighting lamp control circuit diagram；

Fig. 9 is the plan structure block diagram of electronic welding bench；

Figure 10 is the left view structural block diagram of Fig. 9；

In figure, 1 it is shell, 2 is workbench, 3 is draft fan, 4 is headlamp, 5 is display, 6 is Iron Stand, 7 is Ammeter, 8 be case, 9 be universal soft folder, 10 be rubbish cleaning eye, 11 be Slippery proof foot pad.

Specific embodiment

The technical solution of the utility model is described further below with reference to embodiment, however, it is not limited to this, all That technical solutions of the utility model are modified or replaced equivalently, without departing from technical solutions of the utility model spirit and Range should all cover in the protection scope of the utility model.

Embodiment 1

It is illustrated with reference to Fig. 1 the present embodiment, in the present embodiment, a kind of electronic welding bench control electricity involved in the present embodiment Road, it includes power protecting circuit, charging circuit, pressure regulation output circuit, fixed voltage output module, draft fan control electricity Road, lighting lamp control circuit, measuring circuit and measurement sample circuit；The charging circuit, pressure regulation output circuit, fixed voltage are defeated The input terminal of module, draft fan control circuit and lighting lamp control circuit is in parallel with the output end of power protecting circuit out, For receiving electric energy；The output end of the draft fan control circuit and lighting lamp control circuit respectively with draft fan and illumination The input terminal of lamp connects, and the input terminal of the display and the output end of power protecting circuit connect, remaining for real-time display Electricity；The output end of the pressure regulation output circuit and the output end of power protecting circuit are connect with the input terminal of measuring circuit, For providing different electric energy to measuring circuit；The output end of the measuring circuit is connect with the input terminal of measurement sample circuit, The output end of the measurement sample circuit and the input terminal of display connect, and pass for that will measure the signal that sample circuit measures Transport to measuring circuit.

Embodiment 2

Illustrate the present embodiment in conjunction with Fig. 2 and embodiment 1, in the present embodiment, a kind of electronics weldering involved in the present embodiment Consecutive control circuit, the power protecting circuit are set there are three port, and when power protecting circuit charging, three ports are input End, when power protecting circuit electric discharge, three ports are output end；The power protecting circuit includes battery pack, 3.7V protection board With 12V protection board, the input terminal of the 3.7V protection board and 12V protection board is connect with the output end of battery pack respectively, described The output end of 3.7V protection board includes negative pole end and the end+3.7V, and the output end of the 12V protection board includes negative pole end and+12V End；The battery pack is lithium-ion-power cell, it is with the following functions: 1. is electric using the lithium ion power of model 18650 Pond, nominal 11.1V (12V) &3.7V twin voltage battery pack, total capacity 18200mAh, maximal work electric current 11.1V-15A, 3.7V- 15A；2. charging: the charging of 12V/5V twin voltage is supported 5VUSB to 3.7V power source charges, is shown equipped with 12V electric quantity of power supply.

Embodiment 3

Illustrate the present embodiment in conjunction with Fig. 3 and embodiment 2, in the present embodiment, a kind of electronics weldering involved in the present embodiment Consecutive control circuit, the charging circuit include diode D1, USB charging chip, resistance R1, resistance R2, light emitting diode The input terminal of LED-G and charging module, the charging module is electrically connected with household, charging module output+12V voltage respectively With+5V voltage, and three ports are connect with three ports of power protecting circuit respectively, described for giving lithium battery group charging Diode D1 is accessed on the firewire of output+12V, for ending backward voltage；USB charging chip is accessed on the firewire of+5V, 4.2V voltage is exported for pressure stabilizing；The firewire and zero curve of the resistance R1 and Light-emitting diode LED-G series connection access+12V voltage Between, for showing charged state；On the resistance R2 access zero curve, play a protective role.The charging module is specially 12V/5V direct-current switch power supply adapter；It is with the following functions: 1.12V heavy current output port, supplies for 12V electric tool Electricity, this port unprotect, forbids short circuit；2.12V turns 5V decompression USB (3A), and 3.7 turns of 5V boost (1.2A), has control switch, Support is put when filling.

Embodiment 4

Illustrate the present embodiment in conjunction with Fig. 4 and embodiment 3, in the present embodiment, a kind of electronics weldering involved in the present embodiment Consecutive control circuit and electronic welding bench, the pressure regulation output circuit and draft fan control circuit are connected in parallel on power protecting circuit The end+12V and negative pole end, the measuring circuit and lighting lamp control circuit in parallel at the end+3.7V of power protecting circuit and negative Extremely；

The pressure regulation output circuit includes boost chip, decompression chip, switch S1, single-pole double-throw switch (SPDT) S2, resistance R5, electricity Hinder R6, Light-emitting diode LED-H, Light-emitting diode LED-L, Light-emitting diode LED-R, relay S4, relay S5, inductance L1, inductance L2, capacitor C2, capacitor C3, resistance R3 and resistance R4；The end IN of the boost chip and decompression chip is connected in parallel on respectively The end+12V of power protecting circuit and negative pole end, the end IN+ and single-pole double-throw switch (SPDT) S2 of the boost chip and decompression chip Moved end connects, the first non-moving end of the single-pole double-throw switch (SPDT) S2 passes through resistance R5 and Light-emitting diode LED-H and boost chip The connection of the end IN-, the second non-moving end of the single-pole double-throw switch (SPDT) S2 passes through resistance R6 and Light-emitting diode LED-L and decompression core The end IN- of piece connects, the first non-moving end and the second non-moving end of the single-pole double-throw switch (SPDT) S2 respectively with relay S4 and relay The coil input end of device S5 connects, the coil output ground connection of the relay S4 and relay S5, the boost chip and drop The end OUT+ of pressure chip passes through relay S4 respectively and connects with the normal open switch input terminal of relay S5, the relay S4 and after The normal open switch output end of electric appliance S5 is the cathode output end of pressure regulation output circuit, the OUT- of the boost chip and decompression chip End is the cathode output end of pressure regulation output circuit；Light-emitting diode LED-the R is in parallel with decompression chip, when switch S1 is closed When, boost chip and decompression chip work at the same time, and Light-emitting diode LED-R is bright；When single-pole double-throw switch (SPDT) S2 is allocated to resistance R5, Light-emitting diode LED-H is bright, relay S4 coil conducting, relay S4 normal open switch closure, output boost voltage be 12-38V, Electric current is the boost voltage of 4A；When single-pole double-throw switch (SPDT) S2 is allocated to resistance R6, Light-emitting diode LED-L is bright, relay S5 line Circle conducting, relay S5 normal open switch closure, output boost voltage be 1.25-12V, the step-down voltage that electric current is 5A.The electricity Feel between L1 access boost chip and the normal open switch of relay S4, the inductance L2 access decompression chip is normal with relay S5's Between switch, parallel connection is accessed between the end OUT+ and the end OUT- of boost chip respectively by the capacitor C2 and resistance R3, the electricity Hold C3 and resistance R4 respectively between the end OUT+ and the end OUT- of access decompression chip in parallel, the fixed voltage output mouth is 12V heavy current output port, the boost chip are voltage boosting dc supply convertor chip XL6009, and the decompression chip is drop Press DC power convertor chip XL4005.The pressure regulation output circuit, it is with the following functions: two grades of output: 1, using 5A Voltage reduction module 11.1V 1.25~12V of (12V) input voltage range is continuously adjustable；2, using 4A boost module 11.1V (12V) electricity Press input range 12V~32V continuously adjustable；3, it is connect with ammeter, ammeter shows voltage when starting；4, has overcurrent, short circuit is protected Shield (delay self- recoverage), has indicator light, there is fixed port and ammeter output；5, efficiency is more than or equal to 94%.

Embodiment 5

Illustrate the present embodiment in conjunction with Fig. 5 and embodiment 4, in the present embodiment, a kind of electronics weldering involved in the present embodiment Consecutive control circuit, the draft fan control circuit include switch S5, slide rheostat RX, thyristor VT2, capacitor C1 and row Cigarette fan M, one end of the switch S5 is connect with the end+12V, the other end and the one end slide rheostat RX connect, and the sliding becomes The other end and sliding end for hindering device RX connects with the base stage of thyristor VT2, the collector of the thyristor VT2 access switch S5 and Between slide rheostat RX, the emitter of the thyristor VT2 is connect with draft fan M, and the capacitor C1 is connected in parallel on Smoke Fan the both ends M.The draft fan is adjustable speed low noise draft fan, it is with the following functions: 1. using now using extensive Duct brush-less fan, have the characteristics that back noise, ventilatory capacity are big；2. using multi-turn point device, speed is continuously adjustable；3. using Sponge or cotton are filtered, even loose active carbon carries out gas filtration, reduces the even few pernicious gas of solid particle Injury to people.

Embodiment 6

Illustrate the present embodiment in conjunction with Fig. 6 and embodiment 5, in the present embodiment, a kind of electronics weldering involved in the present embodiment Consecutive control circuit and electronic welding bench, the measuring circuit include ammeter 7, inductance L3, fuse FU, switch S6, capacitor C4, Resistance R7, buzzer, Light-emitting diode LED-B, measurement port VA, measurement port COM and access buzzing detect port, the electricity The indication end of table 7 and measurement end are connect with shifting switch, and the 7 power end anode of ammeter passes through inductance L3 and power protection electricity The end+3.7V on road connects, and the negative pole end of the 7 power end cathode of ammeter and power protecting circuit connects, and the inductance L3 is in parallel In 7 input terminal of ammeter, the fuse FU connect with the measurement end of ammeter 7, plays a protective role, the positive terminal of the buzzer It is connected by the anode of resistance R7 and capacitor, the cathode of the buzzer is connected to access buzzing detection port, when buzzing detects When short circuit measured by Port detecting to measurement port VA and measurement port COM, the anode of buzzer senses electric current, bee The device that rings is alarmed；The positive terminal of the Light-emitting diode LED-B and the positive terminal connection of buzzer, the Light-emitting diode LED-B Negative pole end ground connection, the measurement port VA and measurement port COM and access buzzing detection port are in use, the end closure switch S6 Mouth starting, Light-emitting diode LED-B are lighted.The ammeter 7 is with the following functions: 1, red blue voltage and current it is double it is aobvious (red voltage, Blue current, three-dimensional digital pipe) it is prompted equipped with double-colored gear；2, range: (8A is protected 0.00~10A of voltage DC0.0~100V electric current Danger pipe)；3, point third gear (stir and transfer the files): one grade: output table；Two grades: voltmeter (has check and correction rheostat)；Third gear: ammeter (only sealing in power cathode, return to zero key)；4, port: universal meter socket；Red mouth V A test；Black mouth COM；Spoken parts in traditional operas access Buzzing detection；5, it is started switch equipped with port, the instruction of blue light through-hole.

Embodiment 7

Illustrate the present embodiment in conjunction with Fig. 7 and embodiment 6, in the present embodiment, a kind of electronics weldering involved in the present embodiment Consecutive control circuit and electronic welding bench, the control panel of the shifting switch are equipped with six rows, five column, 30 hole, from left to right from Top to bottm is set as matrix, i.e., 11 be regulated power supply anode, and 51 be regulated power supply cathode, and 21,61 and 65 be ammeter measurement end, and 31 It is ammeter indicator light with 41,24 be measurement port VA, and 55 be measurement port COM；33 and 43 be the end+3.7V and 33 and 43 connect It connects, 21 connect with 22, and 24 successively connect with 23 and 13, and 31 connect with 34, and 41 connect with 45, and 55 successively connect with 64 and 63, and 61 It is connect with 15,65 successively connect with 62 and 53；The shifting switch is third gear switch, and gear is vertical setting of types, and at one grade, gear is by the One vertical setting of types is laterally connected to one by one with third vertical setting of types, is not connected to mutually vertically, it may be assumed that (regulated power supply anode) 11-13-23-24 (measurement end Mouth VA) connection, (ammeter measurement end) 21-22-23-24 (measurement port VA) connection, (ammeter indicator light) 31-33 (end+3.7V) Connection, (ammeter indicator light) 41-43 (end+3.7V) connection, (regulated power supply cathode) 51-53-62-65 (ammeter measurement end) is even It is logical, (ammeter measurement end) 61-63-64-55 (measurement port COM) connection；At two grades, gear is horizontal by the second vertical setting of types and the 4th vertical setting of types It to being connected to one by one, is not connected to mutually vertically, it may be assumed that (regulated power supply anode) 11 disconnects, (ammeter measurement end) 21-22-24 (measurement port VA it) is connected to, (ammeter indicator light) 31 and (ammeter indicator light) 41 disconnect, and (end+3.7V) disconnects, and (regulated power supply cathode) 51 is disconnected Open, (ammeter measurement end) 61 disconnect, (measurement port COM) 55-64-62-65 (ammeter measurement end) connection, i.e., ammeter measurement end and Measurement port VA connection, ammeter measurement end are connected to measurement port COM, when the input of ammeter measurement end no-voltage, measurement port VA and measurement port COM are meaningless；When third gear, third vertical setting of types is laterally connected to by gear one by one with the 5th vertical setting of types, is not connected mutually vertically It is logical, it may be assumed that (regulated power supply anode) 11 disconnects, and (measurement port VA) 24-23-13-15-61 (ammeter measurement end) connection, (ammeter is surveyed Measure end) 21 disconnections, the disconnection of (ammeter indicator light) 31, (ammeter indicator light) 41-45-43 (end+3.7V) connection, (regulated power supply is negative Pole) 51 disconnections, (measurement port COM) 55-53-62-65 (ammeter measurement end) connection.

Embodiment 8

Illustrate the present embodiment in conjunction with Fig. 8 and embodiment 7, in the present embodiment, a kind of electronics weldering involved in the present embodiment Consecutive control circuit and electronic welding bench, the lighting lamp control circuit include knob S7, thyristor VT and headlamp, the rotation Button S7 is six gear switch, and described six grades are respectively neutral gear, one grade, two grades, third gear, fourth gear and five grades, the input of the knob S7 End is connect with the end+3.7V, and one grade of the knob S7 is connect with headlamp, the adjustable end of the knob S7 and the collection of thyristor VT Electrode connection, one grade of the base stage access knob S7 of the thyristor VT is between headlamp, the emitter of the thyristor VT It is connect with headlamp.The headlamp is that brightness-adjustable highlights LED illumination lamp, it is with the following functions: 1. is highlighted using 15 The just white lamp of LED is spent, brightness is high；2. points two grades, two grades adjustable.Bright one grade of 5 LED after unlatching, adjust promoted when remaining 10 gradually It is bright；3. shaping hose is fixed, freedom degree is high.

Embodiment 9

Illustrate the present embodiment in conjunction with Fig. 9 and Fig. 8, in the present embodiment, a kind of electronic welding bench involved in the present embodiment, It includes shell 1, workbench 2, draft fan 3, headlamp 4, display 5, Iron Stand 6, case 8, fixed plate and control system System；The workbench 2 is fixed on 1 upper surface of shell, and the draft fan 3, headlamp 4, display 5, Iron Stand 6 are each attached to On shell 1 and be located at workbench 2 around, the input terminal of the draft fan 3, headlamp 4 and display 5 respectively with control system Connection, the case 8 are set to the inside of shell 1 and are detachably connected with shell 1, the workbench 2 and shell 1 offer with The rubbish cleaning eye 10 of 1 bottom surface of shell connection, the fixed plate and control system are respectively positioned on inside shell 1, the control system It is fixed in fixed plate.The shell 1 is aluminium alloy shell, it has the following characteristics that high temperature resistant, good heat dissipation have insulation to apply Layer, light weight, when welding, can sufficiently scatter and disappear waste heat protection element, and hardness is big；The aid auxiliary device is two universal soft folders 9, wherein one is detachable, small crocodile clip (can be replaced the accessories such as small magnifying glass)；There is undertaking box under the rubbish cleaning eye 10, Inside there is screw thread, detachable universal soft folder mounting hole；The case 8 is for holding the auxiliary tools such as small part；1 bottom of shell Portion is equipped with Slippery proof foot pad 11.

Claims

1. a kind of electronic welding bench control circuit, which is characterized in that it includes power protecting circuit, charging circuit, pressure regulation output Circuit, fixed voltage output module, draft fan control circuit, lighting lamp control circuit, measuring circuit and measurement sample circuit； The charging circuit, pressure regulation output circuit, fixed voltage output module, draft fan control circuit and lighting lamp control circuit Input terminal is connected in parallel with the output end of power protecting circuit, for receiving electric energy；The output end of the pressure regulation output circuit It is connect with the input terminal of measuring circuit with the output end of power protecting circuit, for providing different electric energy to measuring circuit； The output end of the measurement sample circuit and the input terminal of measuring circuit connect, the signal measured for that will measure sample circuit It is transmitted to measuring circuit.

2. a kind of electronic welding bench control circuit according to claim 1, which is characterized in that the power protecting circuit is set There are three ports；The power protecting circuit includes battery pack, 3.7V protection board and 12V protection board, the 3.7V protection board and The input terminal of 12V protection board is connect with the output end of battery pack respectively, the output end of the 3.7V protection board include negative pole end and+ The end 3.7V, the output end of the 12V protection board include negative pole end and the end+12V；The battery pack is lithium-ion-power cell.

3. a kind of electronic welding bench control circuit according to claim 2, which is characterized in that the charging circuit includes two Pole pipe D1, USB charging chip, resistance R1, resistance R2, Light-emitting diode LED-G and charging module, the input of the charging module End is electrically connected with household, the charging module output+12V voltage and+5V voltage respectively, and three ports respectively with power protection Three port negative pole ends of circuit, the end+3.7V are connected with the end+12V, for charging to lithium battery group, the fire of the output+12V Diode D1 is accessed on line, for ending backward voltage；USB charging chip is accessed on the firewire of+5V, is exported for pressure stabilizing Voltage；Between the firewire and zero curve of the resistance R1 and Light-emitting diode LED-G series connection access+12V voltage, for showing charging State；On the resistance R2 access zero curve.

4. a kind of electronic welding bench control circuit according to claim 3, which is characterized in that the pressure regulation output circuit with Draft fan control circuit is connected in parallel on the end+12V and the negative pole end of power protecting circuit, the measuring circuit and lighting lamp control electricity Road is connected in parallel on the end+3.7V and the negative pole end of power protecting circuit；

The pressure regulation output circuit includes boost chip, decompression chip, switch S1, single-pole double-throw switch (SPDT) S2, resistance R5, resistance R6, Light-emitting diode LED-H, Light-emitting diode LED-L, Light-emitting diode LED-R, relay S3 and relay S4；The liter Pressure chip and the end IN for being depressured chip are connected in parallel on the end+12V and the negative pole end of power protecting circuit, the boost chip and drop respectively The end IN+ of pressure chip is connect with the moved end of single-pole double-throw switch (SPDT) S2, the first non-moving end of the single-pole double-throw switch (SPDT) S2 passes through electricity The end IN- for hindering R5 and Light-emitting diode LED-H and boost chip connects, and the second non-moving end of the single-pole double-throw switch (SPDT) S2 passes through Resistance R6 and Light-emitting diode LED-L with decompression chip the end IN- connect, the first non-moving end of the single-pole double-throw switch (SPDT) S2 with Second non-moving end is connect with the coil input end of relay S4 and relay S5 respectively, the line of the relay S4 and relay S5 Output end ground connection is enclosed, the boost chip and the end OUT+ for being depressured chip pass through relay S4 respectively and the normally opened of relay S5 opens It closes input terminal to connect, the normal open switch output end of the relay S4 and relay S5 are the anode output of pressure regulation output circuit The end OUT- of end, the boost chip and decompression chip is the cathode output end of pressure regulation output circuit；The light emitting diode LED-R is in parallel with decompression chip, and the fixed voltage output mouth is 12V heavy current output port, and the boost chip is to rise DC power convertor chip XL6009 is pressed, the decompression chip is decompression DC supply convertor chip XL4005.

5. a kind of electronic welding bench control circuit according to claim 4, which is characterized in that the draft fan control electricity Road include switch S5, slide rheostat RX, thyristor VT2, capacitor C1 and draft fan (3), one end of the switch S5 and+ The connection of the end 12V, the other end and the one end slide rheostat RX connect, the other end and sliding end of the slide rheostat RX and brilliant lock The base stage of pipe VT2 connects, between the collector access switch S5 and slide rheostat RX of the thyristor VT2, the thyristor The emitter of VT2 is connect with draft fan (3), and the capacitor C1 is connected in parallel on draft fan (3) both ends.

6. a kind of electronic welding bench control circuit according to claim 5, which is characterized in that the measuring circuit includes electricity Table (7), inductance L3, fuse FU, switch S6, capacitor C4, resistance R7, buzzer, Light-emitting diode LED-B, measurement port VA, Measurement port COM and access buzzing detect port, and the indication end of the ammeter (7) and measurement end are connect with shifting switch, institute The power end anode for stating ammeter (7) is connected by the end+3.7V of inductance L3 and power protecting circuit, the power supply of the ammeter (7) The negative pole end of cathode and power protecting circuit is held to connect, the inductance L3 is connected in parallel on ammeter input terminal both ends, the fuse FU It is connect with the measurement end of ammeter (7), the positive terminal of the buzzer is connect by resistance R7 with the anode of capacitor C4, the buzzing The negative pole end of device is connect with access buzzing detection port；The positive terminal of the Light-emitting diode LED-B and the positive terminal of buzzer It connects, the negative pole end of Light-emitting diode LED-B ground connection.

7. a kind of electronic welding bench control circuit according to claim 6, which is characterized in that the lighting lamp control circuit Including knob S7, thyristor VT and headlamp, the knob S7 is six gear switch, the input terminal of the knob S7 and the end+3.7V Connection, the output end of the knob S7 are connect with headlamp, and the adjustable end of the knob S7 is connect with the collector of thyristor VT, Between headlamp, the emitter and headlamp of the thyristor VT connects one grade of the base stage access knob S7 of the thyristor VT It connects.

8. a kind of electronic welding bench based on electronic welding bench control circuit described in claim 1, which is characterized in that it includes Shell (1), workbench (2), draft fan (3), headlamp (4), display (5), Iron Stand (6), case (8), fixed plate And control circuit；The workbench (2) is fixed on the upper surface of shell (1), the draft fan control circuit and headlamp control The output end of circuit processed is connect with the input terminal of draft fan (3) and headlamp (4) respectively；The input terminal of the display (5) It is connect with the output end of power protecting circuit, is used for real-time display remaining capacity；The draft fan (3), shows headlamp (4) Show that device (5), Iron Stand (6) are each attached on shell (1) and are located at around workbench (2), the draft fan (3), headlamp (4) it is connect respectively with control system with the input terminal of display (5)；The fixed plate and control system are respectively positioned in shell (1) Portion, the control system are fixed in fixed plate, and it is internal and detachable with shell (1) that the case (8) is set to shell (1) Connection.

9. electronic welding bench according to claim 8, which is characterized in that it further includes aid auxiliary device, the aid Auxiliary device is fixed on the side wall of shell (1), and the aid auxiliary device is universal soft folder (9)；The workbench (2) and outer Shell (1) offers the rubbish cleaning eye (10) being connected to shell (1) bottom surface；Shell (1) bottom is equipped with Slippery proof foot pad (11).