CN109434249A - A kind of electric welder no-load dropping equipment - Google Patents

A kind of electric welder no-load dropping equipment Download PDF

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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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CN
China
Prior art keywords
welding machine
electric
electric welding
coil
time relay
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811498882.3A
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Chinese (zh)
Inventor
王水成
薛海莉
李银花
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Zhengzhou University of Industrial Technology
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Zhengzhou University of Industrial Technology
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Priority to CN201811498882.3A priority Critical patent/CN109434249A/en
Publication of CN109434249A publication Critical patent/CN109434249A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/10Other electric circuits therefor; Protective circuits; Remote controls
    • B23K9/1006Power supply
    • B23K9/1043Power 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

A kind of electric welder no-load dropping equipment
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.
CN201811498882.3A 2018-12-08 2018-12-08 A kind of electric welder no-load dropping equipment Pending CN109434249A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811498882.3A CN109434249A (en) 2018-12-08 2018-12-08 A kind of electric welder no-load dropping equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811498882.3A CN109434249A (en) 2018-12-08 2018-12-08 A kind of electric welder no-load dropping equipment

Publications (1)

Publication Number Publication Date
CN109434249A true CN109434249A (en) 2019-03-08

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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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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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