CN207771055U - A kind of wire-feed motor power circuit - Google Patents
A kind of wire-feed motor power circuit Download PDFInfo
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- CN207771055U CN207771055U CN201820067679.XU CN201820067679U CN207771055U CN 207771055 U CN207771055 U CN 207771055U CN 201820067679 U CN201820067679 U CN 201820067679U CN 207771055 U CN207771055 U CN 207771055U
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- 210000001699 lower leg Anatomy 0.000 claims description 6
- 238000003466 welding Methods 0.000 abstract description 25
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model discloses a kind of wire-feed motor power circuits, unit and control unit are adjusted including power supply unit, wire feed rate, control unit includes at least rifle switch, relay RLY1, relay RLY2 and transformer T1, wherein, rifle switch for generating first control signal when it is closed or generates second control signal when it is disconnected；When first control signal is come temporarily, relay RLY1, which makes its third foot, and the 4th foot is connected and then connects main current supply circuit and relay RLY2 makes its third foot and the conducting of the 4th foot and then connection wire-feed motor performance loop；When second control signal is come temporarily, relay RLY1, which makes its third foot, and the 4th foot disconnects and then cut off main current supply circuit and relay RLY2 makes its third foot and the disconnection of the 4th foot and then cut-out wire-feed motor performance loop.Using the technical solution of the utility model, transformer energy consumption when machine zero load is reduced；Reduce welding wire waste simultaneously, reduces use cost.
Description
Technical field
The utility model is related to field of power supplies more particularly to a kind of wire-feed motor power circuits.
Background technology
By the way that control panel is arranged in the small-sized alternating current-direct current gas shield welding welding machine of existing market, on wire-feed motor plant-grid connection control panel,
By simply controlling, wire-feed motor voltage can be changed, can simply meet basic speed governing use demand.Prior art wire-feed motor
Power supply control mode has the following defects, since usually only setting power switch controls wire-feed motor work, when machine power switchs
When opening, in the case of not welding, machine will produce no-load power consumption, waste electric energy；Wire-feed motor power control part simultaneously, only
There is simple speed-regulating function, is not add braking circuit in circuit control, such design is only to meet basic welding to want
It asks, wire feed rate is adjustable, and in the moment that welding terminates to stop, wire-feed motor can send out general 15mm welding wires more and come out according to inertia,
Welding wire waste is caused in this way, and use cost is also high.When welding next time, welding wire exposes too much, influences to weld the starting the arc.
Therefore for drawbacks described above present in currently available technology, it is really necessary to be studied, to provide a kind of scheme,
Solve defect existing in the prior art.
Utility model content
In order to overcome the above-mentioned technical problem of the prior art, it is necessory to provide a kind of wire-feed motor power circuit, by
Increase control switch on main circuit, when machine power, which switchs, to be opened, in the case of not welding, main circuit no power does not have
No-load power consumption generates；Relay switch is set simultaneously, and when stopping welding, wire-feed motor is stopped welding machine immediately, will not basis
Inertia goes out extra welding wire, reduces welding wire waste, reduces use cost；It also avoids when welding next time, welding wire exposes
Too much, it influences to weld the starting the arc.
In order to solve technical problem of the existing technology, the technical solution of the utility model is as follows：
A kind of wire-feed motor power circuit, including power supply unit, wire feed rate adjust unit and control unit, the power supply list
Member is connected with input is exchanged, for providing power supply for wire-feed motor；The wire feed rate adjusts unit and is sent for adjusting wire-feed motor
Silk speed；Described control unit adjusts unit with the power supply unit, wire feed rate and wire-feed motor is connected, and includes at least rifle
Switch, relay RLY1, relay RLY2 and transformer T1, wherein the rifle switch when it is closed for generating first
Control signal generates second control signal when it is disconnected；The primary coil of the transformer T1 is connected with input is exchanged,
Third foot, the 4th foot of the relay RLY1 is serially connected in main current supply circuit, third foot, the 4th foot string of the relay RLY2
It is connected on wire-feed motor performance loop；When the first control signal is come temporarily, the relay RLY1 makes its third foot and the 4th foot
Being connected and then connect main current supply circuit and the relay RLY2 makes its third foot and the 4th foot be connected and then connects wire-feed motor
Performance loop；When the second control signal is come temporarily, the relay RLY1 makes its third foot and the 4th foot disconnect and then cut
Disconnected main current supply circuit and the relay RLY2 make its third foot and the 4th foot disconnect and then cut off wire-feed motor performance loop.
The third foot concatenation of the relay RLY1 becomes owner of current supply circuit, the relay as a preferred technical solution,
The 4th foot of RLY1 is connected with the first foot of the transformer T1；The first foot and capacitance C1 of the relay RLY1 is just
The feeder ear that end, the anode of diode D5, the output plus terminal of the power supply unit, wire feed rate adjust unit is connected, described
The crus secunda of relay RLY1 is connected with the anode of the another negative terminal of capacitance C1, diode D1, and the second of the relay RLY2
Foot is connected with the 4th foot of the negative terminal of diode D1, one end of capacitance C4, the anode of diode D6, the transformer T1, institute
The first foot for stating relay RLY2 is connected with the negative terminal of the other end of capacitance C4, the negative terminal of diode D6, diode D5；It is described
The third foot of relay RLY2 adjusts unit with the wire feed rate and is connected, the 4th foot and wire-feed motor of the relay RLY2
It is connected；The third foot of the transformer T1 is connected with one end that the rifle switchs, the other end of rifle switch with it is described
Power supply unit is connected.
As a preferred technical solution, the power supply unit include power switch, it is wind turbine, driving switch, main transformer, whole
Flow bridge and reactor.
It includes that wire feed rate adjusts potentiometer that the wire feed rate, which adjusts unit, as a preferred technical solution, described to send
Silk speed adjusts potentiometer and is connected with first interface J1.
Second interface J2, the second interface J2 are also set up as a preferred technical solution, for connecting power supply unit, sending
Silk speed regulation unit and control unit.
Compared with prior art, the utility model makes welding machine after turning on the power switch, machine by the way that control unit is arranged
Device main circuit does not work, and reduces transformer energy consumption when machine zero load, zero energy consumption of main circuit；Only when press rifle switch, after
Electric appliance is attracted, main circuit work；Meanwhile when rifle switch disconnection, relay disconnects, and welding machine stops welding at once, and welding wire will not root
Extra welding wire is gone out according to wire-feed motor inertia, reduces welding wire waste, reduces use cost.It also avoids when welding next time,
Welding wire exposes too much, influences to weld the starting the arc.
Description of the drawings
Fig. 1 is the circuit diagram of the utility model wire-feed motor power circuit.
Following specific embodiment will further illustrate the utility model in conjunction with above-mentioned attached drawing.
Specific implementation mode
Technical solution provided by the utility model is described further below with reference to attached drawing.
Referring to Fig. 1, show the circuit diagram of the utility model wire-feed motor power circuit, include at least power supply unit,
Wire feed rate adjusts unit and control unit, and power supply unit is connected with input is exchanged, for providing power supply for wire-feed motor, into
One step includes power switch, wind turbine, driving switch, main transformer, rectifier bridge and reactor.It is 1. power switch, 2. in Fig. 1
It is 3. driving switch for wind turbine, four be main transformer, is 5. rectifier bridge, is 6. reactor, the physical circuit connection of power supply unit
Shown in Figure 1, details are not described herein.
Wire feed rate adjusts unit for adjusting wire-feed motor wire feed rate, including wire feed rate adjusting potentiometer, wire feed speed
Degree adjusts potentiometer and is connected with first interface J1, and adjusting potentiometer by wire feed rate realizes adjusting wire feed rate.Wire feed
The physical circuit connection of speed regulation unit is shown in Figure 1, and details are not described herein.
Control unit adjusts unit with power supply unit, wire feed rate and wire-feed motor is connected, by the way that second interface J2 is arranged
Realize that power supply unit, wire feed rate adjust the connection of unit and control unit.
Control unit includes at least rifle switch, relay RLY1, relay RLY2 and transformer T1, wherein rifle switchs
For generating first control signal when it is closed or generating second control signal when it is disconnected；The primary coil of transformer T1
It is connected with input is exchanged, third foot, the 4th foot of relay RLY1 are serially connected in main current supply circuit, the third of relay RLY2
Foot, the 4th foot are serially connected in wire-feed motor performance loop；When first control signal is come temporarily, relay RLY1 makes its third foot and the 4th
Foot is connected and then connects main current supply circuit and relay RLY2 makes its third foot and the 4th foot be connected and then connects wire-feed motor work
Make circuit；When second control signal is come temporarily, relay RLY1 makes its third foot and the 4th foot disconnect and then cut off main power back
Road and relay RLY2 make its third foot and the 4th foot disconnect and then cut off wire-feed motor performance loop.
Further, the third foot concatenation of relay RLY1 becomes owner of current supply circuit, the 4th foot and transformation of relay RLY1
The first foot of device T1 is connected；The first foot of relay RLY1 and the anode of capacitance C1, the anode of diode D5, power supply unit
The feeder ear that output plus terminal, wire feed rate adjust unit is connected, the crus secunda of relay RLY1 and the another negative terminal of capacitance C1, two
The anode of pole pipe D1 is connected, the crus secunda of relay RLY2 and the negative terminal of diode D1, one end of capacitance C4, diode D6
Anode, transformer T1 the 4th foot be connected, the first foot of relay RLY2 and the other end of capacitance C4, diode D6 it is negative
It holds, the negative terminal of diode D5 is connected；The third foot of relay RLY2 adjusts unit with wire feed rate and is connected, relay RLY2
The 4th foot be connected with wire-feed motor；The third foot of transformer T1 is connected with one end that rifle switchs, rifle switch the other end with
Power supply unit is connected.
Using above-mentioned technical proposal, 1, when rifle is switched and disconnected：After powering on switch, voltage by connecting terminal JC and
JB reaches the primary (the first foot and crus secunda) of transformer T1, and since rifle switch is not closed, power supply unit output voltage can not
A points, relay RLY1 induction second control signals (i.e. A points no-voltage), relay RLY1 are reached by 4 feet of connecting terminal J2
It with RLY2 coils no power therefore cannot work, so that its third foot and the 4th foot is off, the transformer of main current supply circuit
Secondary can not be formed into a loop, so main current supply circuit can not obtain voltage by connecting terminal JA, therefore main transformer 4. not work
Make；Wire-feed motor also can not obtain voltage by 5 feet of connecting terminal J2, therefore wire-feed motor does not work；2, when rifle, which switchs, to be closed：It connects
1 foot of energization source switch, the secondary connecting terminal J2 of transformer T1 is switched using the rifle of closure using the 4 of connecting terminal J2
Foot using relay RLY1 coils again by diode D1 Half bridge rectifiers after, generate first control signal (i.e. A points obtain positive electricity
Pressure, C points are negative voltage) so that relay RLY1 coil shapes both ends, which obtain voltage, makes relay RLY1 thirds foot and the 4th foot be connected,
To by connecting terminal JA enter driving switch connect major loop, transformer 4. electric start-up operation；Similarly, relay RLY2
Also incude first control signal, i.e., B points obtain positive voltage, C point negative voltages, relay RLY2 lines after diode D5 Half bridge rectifiers
Cast both ends, which obtain voltage, makes relay RLY2 thirds foot and the 4th foot be connected, and so that wire-feed motor is started to connect a machine performance loop
Work.It is welded on the moment of end, rifle switch disconnects generates second control signal, relay RLY2 thirds foot and the 4th foot immediately
It disconnects, cuts thread-cutter performance loop at once, wire-feed motor brake is rotated without inertia, and moment stops wire feed, is delayed without wire feed existing
As.
The explanation of above example is only intended to the method and its core concept that help understands the utility model.It should refer to
Go out, it for those skilled in the art, without departing from the principle of this utility model, can also be to this
Some improvement and modification can also be carried out for utility model, these improvement and modification also fall into the protection domain of the utility model claims
It is interior.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (5)
1. a kind of wire-feed motor power circuit, which is characterized in that unit and control unit are adjusted including power supply unit, wire feed rate,
The power supply unit is connected with input is exchanged, for providing power supply for wire-feed motor；The wire feed rate adjusts unit for adjusting
Save wire-feed motor wire feed rate；Described control unit adjusts unit with the power supply unit, wire feed rate and wire-feed motor is connected,
Including at least rifle switch, relay RLY1, relay RLY2 and transformer T1, wherein the rifle switch is in its closure
When generate and first control signal or generate second control signal when it is disconnected；The primary coil of the transformer T1 with exchange it is defeated
Enter to be connected, third foot, the 4th foot of the relay RLY1 are serially connected in main current supply circuit, the third of the relay RLY2
Foot, the 4th foot are serially connected in wire-feed motor performance loop；When the first control signal is come temporarily, the relay RLY1 makes its third
Foot and the 4th foot are connected and then connect main current supply circuit and the relay RLY2 makes its third foot and the 4th foot be connected in turn
Connect wire-feed motor performance loop；When the second control signal is come temporarily, the relay RLY1 makes its third foot and the 4th foot
Disconnecting and then cut off main current supply circuit and the relay RLY2 makes its third foot and the 4th foot disconnect and then cuts off wire-feed motor
Performance loop.
2. wire-feed motor power circuit according to claim 1, which is characterized in that the third foot of the relay RLY1 concatenates
Current supply circuit is become owner of, the 4th foot of the relay RLY1 is connected with the first foot of the transformer T1；The relay
The first foot of RLY1 is adjusted with the anode of capacitance C1, the anode of diode D5, the output plus terminal of the power supply unit, wire feed rate
The feeder ear of unit is connected, and the crus secunda of the relay RLY1 is connected with the anode of the another negative terminal of capacitance C1, diode D1
It connects, crus secunda and the negative terminal of diode D1, one end of capacitance C4, the anode of diode D6, the change of the relay RLY2
The 4th foot of depressor T1 is connected, the first foot of the relay RLY2 and the other end of capacitance C4, the negative terminal of diode D6, two
The negative terminal of pole pipe D5 is connected；The third foot of the relay RLY2 and the wire feed rate adjust unit and are connected, it is described after
The 4th foot of electric appliance RLY2 is connected with wire-feed motor；The third foot of the transformer T1 is connected with one end that the rifle switchs,
The other end of the rifle switch is connected with the power supply unit.
3. wire-feed motor power circuit according to claim 1, which is characterized in that the power supply unit include power switch,
Wind turbine, driving switch, main transformer, rectifier bridge and reactor.
4. wire-feed motor power circuit according to claim 1, which is characterized in that it includes sending that the wire feed rate, which adjusts unit,
Silk speed adjusts potentiometer, and the wire feed rate adjusts potentiometer and is connected with first interface J1.
5. wire-feed motor power circuit according to claim 1, which is characterized in that also set up second interface J2, described second
Interface J2 is for connecting power supply unit, wire feed rate adjusting unit and control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067679.XU CN207771055U (en) | 2018-01-16 | 2018-01-16 | A kind of wire-feed motor power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067679.XU CN207771055U (en) | 2018-01-16 | 2018-01-16 | A kind of wire-feed motor power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207771055U true CN207771055U (en) | 2018-08-28 |
Family
ID=63213052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820067679.XU Expired - Fee Related CN207771055U (en) | 2018-01-16 | 2018-01-16 | A kind of wire-feed motor power circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207771055U (en) |
-
2018
- 2018-01-16 CN CN201820067679.XU patent/CN207771055U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 528437 room 203-210, floor 1 and floor 3, building B, No. 38, Yanjiang East Fourth Road, Torch Development Zone, Zhongshan City, Guangdong Province Patentee after: Guangdong Lianyang Technology Co.,Ltd. Address before: 317500 Wu Cheng village, Chengxi street, Wenling City, Taizhou, Zhejiang (Wenling Jiayin hairdressing chair Co., Ltd.) Patentee before: ZHEJIANG LEYON ELECTRICAL AND MECHANICAL TECHNOLOGY CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 |