CN109434249A - A kind of electric welder no-load dropping equipment - Google Patents
A kind of electric welder no-load dropping equipment Download PDFInfo
- Publication number
- CN109434249A CN109434249A CN201811498882.3A CN201811498882A CN109434249A CN 109434249 A CN109434249 A CN 109434249A CN 201811498882 A CN201811498882 A CN 201811498882A CN 109434249 A CN109434249 A CN 109434249A
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- welding machine
- electric
- electric welding
- coil
- time relay
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
- B23K9/1006—Power supply
- B23K9/1043—Power supply characterised by the electric circuit
Abstract
The present invention relates to electric welding machine energy-saving safe technologies, especially a kind of electric welder no-load dropping equipment, including electric welding machine T1, circuit to be welded and welding control circuit, power supply is reduced electric welding machine output voltage for safety low-voltage by the capacitor C1 of circuit to be welded, welding control circuit is closed the main contacts KM1-1 of the A.C. contactor of circuit to be welded, and electric welding machine obtains electric carry out welding.The invention has the advantages that in the intermittent phase of welding, the primary automatic concatenation capacitor of electric welding machine substantially reduces electric welding machine secondary voltage, not only acts as safeguard protection effect, while electric welding machine being made to greatly save electric energy.
Description
Technical field
The present invention relates to electric welding machine energy-saving safe technology, especially a kind of electric welder no-load dropping equipment.
Background technique
A.C. welder is that the occasions such as machine-building class factory, maintenance of equipment class unit and construction site are indispensable
Soldering appliance.Electric welding machine is usually service intermittent, and in welding, it consumes a large amount of electric energy, but stops welding in electric welding machine
The intermittent phase connect, power consumption are generally next sometimes forget about of hundreds of watts, especially worker and turn off the power switch, and electric welding machine is always
Idle running, this not only wastes electric energy, can also reduce the power factor of power grid, or even will cause accident of human electric shock.
Summary of the invention
To solve the deficiencies in the prior art, the present invention provides a kind of electric welder no-load dropping equipment, it can be in electric welding machine
Intermittent phase, primary concatenation capacitor automatically, thus only several volts of its secondary or more than ten volts of voltages, it is not only safe, but also can make
Electric welding machine greatlys save electric energy.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows:
A kind of electric welder no-load dropping equipment, including electric welding machine T1, circuit to be welded and welding control circuit, power supply pass through electricity to be welded
The capacitor C1 on road reduces electric welding machine output voltage for safety low-voltage, and welding control circuit makes the ac contactor of circuit to be welded
The main contacts KM1-1 of device is closed, and electric welding machine obtains electric carry out welding.
The circuit to be welded includes main contacts KM1-1, the capacitor of double-pole single throw SA1, fuse FU, A.C. contactor
The coil KT1 of device C1, the time relay;The movable contact of double-pole single throw SA1 respectively with power source bus L1 and power source bus L2
Connection;A stationary contact of double-pole single throw SA1 is divided into two-way after fuse FU, all the way through the main contacts of A.C. contactor
KM1-1 is connect with one end of the primary coil of electric welding machine T1;Another way is through capacitor C1 and the one of the primary coil of electric welding machine T1
End connection;The other end of the primary coil of electric welding machine T1 connects through another stationary contact of fuse FU and double-pole single throw SA1
It connects;One end of the secondary coil of electric welding machine T1 is connect with weldment, and the other end of the secondary coil of electric welding machine T1 is connect with electrode holder, when
Between the coil KT1 of relay be connected between the secondary coil of electric welding machine T1.
The welding control circuit, the delay normally-closed contact KT1- of coil KM1, the time relay including A.C. contactor
1。
One end of the coil KM1 of A.C. contactor is connected between A.C. contactor main contacts KM1-1 and fuse FU, is handed over
The movable contact for flowing the other end of the coil KM1 of contactor and the delay normally-closed contact KT1-1 of the time relay connects, time relay
The stationary contact of the delay normally-closed contact KT1-1 of device is connect with the other end of the secondary coil of electric welding machine T1.
A kind of working method of electric welder no-load dropping equipment, it is specific as follows: before welding operation, first to close double-pole single-throw (D.P.S.T.) and open
SA1 is closed, electric welding machine T1 primary coil is through capacitor C1, fuse FU, double-pole single throw SA1 access power source bus L1 and power supply
Bus L2;The capacitor C1 concatenated with the primary coil of electric welding machine T1, make electric welding machine T1 secondary coil output voltage reduce be
The low-voltage of safety, electric welding machine micro energy lose are in state to be welded, and the coil KT1 of the time relay obtains electric, and the time relay prolongs
When normally-closed contact KT1-1 delay disconnect;
When welding operation, operator holds electrode holder and clamps welding rod striking weldment, makes the secondary coil near short circuit of electric welding machine T1, when
Between relay coil KT1 power loss, the delay normally-closed contact KT1-1 of the time relay is instantaneously closed, the coil of A.C. contactor
KM1 obtains electric actuation, and the normally opened contact KM1-1 closure of A.C. contactor, by capacitor C1 short circuit, the primary coil of electric welding machine T1 is logical
Overcurrent fuse FU, double-pole single throw SA1 access power source bus L1 and power source bus L2, and the secondary coil of electric welding machine T1 exports electricity
Pressure increases, into normal weld state;
When replacing welding rod or temporarily ceasing welding, the secondary coil of electric welding machine T1 is in light condition, and induced voltage is higher, when
Between the coil KT1 of relay obtain electric, the delay normally-closed contact KT1-1 of the time relay, which is delayed, to be disconnected;After delay time reaches,
The delay normally-closed contact KT1-1 of the time relay is disconnected, and the primary coil of electric welding machine T1 accesses power supply, electric welding machine through capacitor C1
The supply voltage of the primary coil of T1 reduces, and the output voltage of the secondary coil of electric welding machine T1 also reduces.
The invention has the advantages that in the intermittent phase of welding, the primary automatic concatenation capacitor of electric welding machine makes electric welding machine
Step voltage substantially reduces, and not only acts as safeguard protection effect, while electric welding machine being made to greatly save electric energy.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is circuit diagram of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1: a kind of electric welder no-load dropping equipment, including electric welding machine T1, circuit to be welded and welding control circuit, electricity
Source is reduced electric welding machine output voltage for safety low-voltage by the capacitor C1 of circuit to be welded, and welding control circuit makes electricity to be welded
The main contacts KM1-1 of the A.C. contactor on road is closed, and electric welding machine obtains electric carry out welding.
Specifically, the circuit to be welded includes the main contacts of double-pole single throw SA1, fuse FU, A.C. contactor
KM1-1, capacitor C1, the time relay coil KT1;The movable contact of double-pole single throw SA1 respectively with power source bus L1 and
Power source bus L2 connection;A stationary contact of double-pole single throw SA1 is divided into two-way after fuse FU, all the way through ac contactor
The main contacts KM1-1 of device is connect with one end of the primary coil of electric welding machine T1;Another way is through the first of capacitor C1 and electric welding machine T1
One end connection of grade coil;The other end of the primary coil of electric welding machine T1 is another through fuse FU and double-pole single throw SA1's
A stationary contact connection;One end of the secondary coil of electric welding machine T1 is connect with weldment, the other end of the secondary coil of electric welding machine T1 with
Electrode holder connection, the coil KT1 of the time relay are connected between the secondary coil of electric welding machine T1.
The welding control circuit, the delay normally-closed contact KT1- of coil KM1, the time relay including A.C. contactor
1。
One end of the coil KM1 of A.C. contactor is connected between A.C. contactor main contacts KM1-1 and fuse FU, is handed over
The movable contact for flowing the other end of the coil KM1 of contactor and the delay normally-closed contact KT1-1 of the time relay connects, time relay
The stationary contact of the delay normally-closed contact KT1-1 of device is connect with the other end of the secondary coil of electric welding machine T1.
The working principle of electric welder no-load dropping equipment of the present invention is as follows:
Before welding operation, double-pole single throw SA1 is first closed, electric welding machine T1 primary coil is through capacitor C1, fuse FU, double-pole
Single-throw switch SA1 accesses power source bus L1 and power source bus L2;The capacitor C1 concatenated with the primary coil of electric welding machine T1, makes electricity
The output voltage of welding machine T1 secondary coil reduces as the low-voltage of safety, electric welding machine micro energy lose, in state to be welded, time relay
The coil KT1 of device obtains electric, the delay normally-closed contact KT1-1 delay disconnection of the time relay.
When welding operation, operator holds electrode holder and clamps welding rod striking weldment, keeps the secondary coil approximation of electric welding machine T1 short
The delay normally-closed contact KT1-1 on road, the coil KT1 power loss of the time relay, the time relay is instantaneously closed, A.C. contactor
Coil KM1 obtains electric actuation, the normally opened contact KM1-1 closure of A.C. contactor, by capacitor C1 short circuit, the primary line of electric welding machine T1
Circle accesses power source bus L1 and power source bus L2 by fuse FU, double-pole single throw SA1, and the secondary coil of electric welding machine T1 is defeated
Voltage increases out, into normal weld state.
When replacing welding rod or when temporarily ceasing welding, the secondary coil of electric welding machine T1 is in light condition, induced voltage compared with
Height, the coil KT1 of the time relay obtain electric, the delay normally-closed contact KT1-1 delay disconnection of the time relay;When delay time arrives
After reaching, the delay normally-closed contact KT1-1 of the time relay is disconnected, and the primary coil of electric welding machine T1 accesses power supply through capacitor C1,
The supply voltage of the primary coil of electric welding machine T1 reduces, and the output voltage of the secondary coil of electric welding machine T1 also reduces.
Only in welding operation, electric welding machine ability normal power-up work is welded the present invention once welding person stops welding
The primary automatic concatenation capacitor of machine makes T1 grade output low-voltage of electric welding machine, not only safety, but also saves electric energy.
Embodiment of above is only used for the description of this invention, rather than limitation of the present invention.To those skilled in the art
It carrying out variation or modification appropriate is without departing from the scope of the invention it will be apparent that therefore all equivalent skills for member
Art scheme also belongs to scope of the invention, and scope of patent protection of the invention is defined by the following claims.
Claims (4)
1. a kind of electric welder no-load dropping equipment, it is characterised in that: including electric welding machine T1, circuit to be welded and welding control circuit,
Power supply is reduced electric welding machine output voltage for safety low-voltage by the capacitor C1 of circuit to be welded, and welding control circuit makes to be welded
The main contacts KM1-1 of the A.C. contactor of circuit is closed, and electric welding machine obtains electric carry out welding.
2. electric welder no-load dropping equipment according to claim 1, it is characterised in that: the circuit to be welded includes double-pole list
Throw switch SA1, fuse FU, the main contacts KM1-1 of A.C. contactor, capacitor C1, the time relay coil KT1;Double-pole
The movable contact of single-throw switch SA1 is connect with power source bus L1 and power source bus L2 respectively;A stationary contact of double-pole single throw SA1
Point is divided into two-way after fuse FU, all the way the one of the primary coil of the main contacts KM1-1 through A.C. contactor and electric welding machine T1
End connection;Another way is connect through capacitor C1 with one end of the primary coil of electric welding machine T1;The primary coil of electric welding machine T1 it is another
One end is connect through fuse FU with another stationary contact of double-pole single throw SA1;One end of the secondary coil of electric welding machine T1 with
Weldment connection, the other end of the secondary coil of electric welding machine T1 are connect with electrode holder, and the coil KT1 of the time relay is connected to electric welding machine
Between the secondary coil of T1.
3. electric welder no-load dropping equipment according to claim 1 or 2, it is characterised in that: the welding control circuit, packet
Include the coil KM1 of A.C. contactor, the delay normally-closed contact KT1-1 of the time relay;
One end of the coil KM1 of A.C. contactor is connected between A.C. contactor main contacts KM1-1 and fuse FU, and exchange connects
The movable contact of the delay normally-closed contact KT1-1 of the other end and time relay of the coil KM1 of tentaculum connects, the time relay
The stationary contact of delay normally-closed contact KT1-1 is connect with the other end of the secondary coil of electric welding machine T1.
4. the working method of electric welder no-load dropping equipment according to claim 3, it is characterised in that:
Before welding operation, double-pole single throw SA1 is first closed, electric welding machine T1 primary coil is through capacitor C1, fuse FU, double-pole
Single-throw switch SA1 accesses power source bus L1 and power source bus L2;The capacitor C1 concatenated with the primary coil of electric welding machine T1, makes electricity
The output voltage of welding machine T1 secondary coil reduces as the low-voltage of safety, electric welding machine micro energy lose, in state to be welded, time relay
The coil KT1 of device obtains electric, the delay normally-closed contact KT1-1 delay disconnection of the time relay;
When welding operation, operator holds electrode holder and clamps welding rod striking weldment, makes the secondary coil near short circuit of electric welding machine T1, when
Between relay coil KT1 power loss, the delay normally-closed contact KT1-1 of the time relay is instantaneously closed, the coil of A.C. contactor
KM1 obtains electric actuation, and the normally opened contact KM1-1 closure of A.C. contactor, by capacitor C1 short circuit, the primary coil of electric welding machine T1 is logical
Overcurrent fuse FU, double-pole single throw SA1 access power source bus L1 and power source bus L2, and the secondary coil of electric welding machine T1 exports electricity
Pressure increases, into normal weld state;
When replacing welding rod or temporarily ceasing welding, the secondary coil of electric welding machine T1 is in light condition, and induced voltage is higher, when
Between the coil KT1 of relay obtain electric, the delay normally-closed contact KT1-1 of the time relay, which is delayed, to be disconnected;After delay time reaches,
The delay normally-closed contact KT1-1 of the time relay is disconnected, and the primary coil of electric welding machine T1 accesses power supply, electric welding machine through capacitor C1
The supply voltage of the primary coil of T1 reduces, and the output voltage of the secondary coil of electric welding machine T1 also reduces.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811498882.3A CN109434249A (en) | 2018-12-08 | 2018-12-08 | A kind of electric welder no-load dropping equipment |
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Application Number | Priority Date | Filing Date | Title |
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CN201811498882.3A CN109434249A (en) | 2018-12-08 | 2018-12-08 | A kind of electric welder no-load dropping equipment |
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CN109434249A true CN109434249A (en) | 2019-03-08 |
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ID=65556322
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CN201811498882.3A Pending CN109434249A (en) | 2018-12-08 | 2018-12-08 | A kind of electric welder no-load dropping equipment |
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Citations (7)
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CN2879523Y (en) * | 2006-03-23 | 2007-03-14 | 马林贞 | Electricity saving controller for AC welding machine |
CN2930941Y (en) * | 2005-11-29 | 2007-08-08 | 陈凤财 | Electric welding machine with idling auto-power-off device |
CN201493597U (en) * | 2009-09-08 | 2010-06-02 | 厦门大卓品玻璃有限公司 | Electricity-saving device for electric welder |
CN104668726A (en) * | 2013-11-28 | 2015-06-03 | 成都熊谷加世电器有限公司 | Safe energy-saving control circuit of electric welding machine |
CN205764368U (en) * | 2016-05-17 | 2016-12-07 | 中国石油天然气股份有限公司 | A kind of A.C. welder auto-power-off device |
WO2016201968A1 (en) * | 2015-06-16 | 2016-12-22 | 江苏现代电力科技股份有限公司 | Low-voltage power distribution voltage-regulating device |
CN209520464U (en) * | 2018-12-08 | 2019-10-22 | 郑州工业应用技术学院 | Electric welder no-load dropping equipment |
-
2018
- 2018-12-08 CN CN201811498882.3A patent/CN109434249A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2930941Y (en) * | 2005-11-29 | 2007-08-08 | 陈凤财 | Electric welding machine with idling auto-power-off device |
CN2879523Y (en) * | 2006-03-23 | 2007-03-14 | 马林贞 | Electricity saving controller for AC welding machine |
CN201493597U (en) * | 2009-09-08 | 2010-06-02 | 厦门大卓品玻璃有限公司 | Electricity-saving device for electric welder |
CN104668726A (en) * | 2013-11-28 | 2015-06-03 | 成都熊谷加世电器有限公司 | Safe energy-saving control circuit of electric welding machine |
WO2016201968A1 (en) * | 2015-06-16 | 2016-12-22 | 江苏现代电力科技股份有限公司 | Low-voltage power distribution voltage-regulating device |
CN205764368U (en) * | 2016-05-17 | 2016-12-07 | 中国石油天然气股份有限公司 | A kind of A.C. welder auto-power-off device |
CN209520464U (en) * | 2018-12-08 | 2019-10-22 | 郑州工业应用技术学院 | Electric welder no-load dropping equipment |
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