CN2865971Y

CN2865971Y - Electric welder energy-saving controller

Info

Publication number: CN2865971Y
Application number: CN 200620000825
Authority: CN
Inventors: 刘随章
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-01-12
Filing date: 2006-01-12
Publication date: 2007-02-07
Anticipated expiration: 2016-01-12

Abstract

The utility model discloses an energy-saving controller of welding machine. In detail, its circuit structure involves contact of relay KA connected with both primary ends of welding machine transformer T1, branch circuit of relay KM in series, contact control circuit of relay KA and two contacts of relay KM connected with both primary ends of welding machine transformer T1. In addition, the control circuit of relay KA contact is comprised of transformer T2, bridge rectification circuit, filter circuit, relay KA, triode V and charge virgule discharge capacitor C3. Moreover, the relay KA is linked with collecting electrode of triode V. Charge virgule discharge capacitor C3 connects the emission electrode and basal electrode of triode V. One end of relay KA and charge virgule discharge capacitor C3 respectively connects with both secondary output ends of welding machine transformer T1. Therefore, the utility model is able to automatically disconnect power source as for welding machine stand-by state, thus saving energy consumed by welding machine.

Description

The electric welding machine energy-saving controller

Technical field

The utility model relates to a kind of electric welding machine energy saver.

Background technology

Traditional electric welding machine is after connecing electricity, even be in off working state, the work of still switching on of its transformer causes the use energy consumption of electric welding machine bigger, so exist not problem of energy saving.

Summary of the invention

The purpose of this utility model provides a kind of electric welding machine energy-saving controller, wastes the problem of energy consumption to solve electric welding machine under holding state.

The circuit structure of electric welding machine energy-saving controller described in the utility model comprises: be connected in welder transformer T ₁The relay K A contact at elementary two ends and relay K M polyphone branch road are connected in welder transformer T equally ₁The relay K A contactor control circuit at elementary two ends and be serially connected in welder transformer T respectively ₁Two contacts of relay K M in the elementary two ends; Described relay K A contactor control circuit comprises elementary welder transformer T ₁Elementary two ends, the secondary transformer T that connects diode bridge rectifier circuit ₂And bridge rectifier, be connected in the filter circuit of bridge rectifier two outputs, be connected between bridge rectifier two outputs by relay K A with after the protection diode is in parallel, organize R with current collection level one emitter stage, the electricity of triode V again ₂The branch road that is composed in series is respectively by electricity group R ₂, electricity group R ₃With the emitter stage of triode V, the charge and discharge capacitance C that base stage is connected ₃Wherein relay K A's meets bridge rectifier end, charge and discharge capacitance C ₃The base terminal that the meets triode V transformer T of welder respectively ₁Secondary two outputs, described relay K A are at welder transformer no-output voltage, charge and discharge capacitance device C ₃Finish discharge, quit work after causing triode V to end, its contact disconnects.

This practical institute type has under the electric welding machine holding state, cuts off the function of power supply automatically, therefore can realize the energy-saving effect of electric welding machine.

Description of drawings

Fig. 1 is circuit theory diagrams of the present utility model.

The specific embodiment

Particular circuit configurations of the present utility model can be referring to Fig. 1, switch QS wherein, insurance FU ₁And electric welder transformer T ₁Be traditional electric welding machine structure.The utility model is at electric welder transformer T ₁Electric power loop in and connect branch road by relay K A contact and relay K M series connection.By transformer T ₂, rectification circuit VD ₁-VD ₄, triode V, relay K A and charging capacitor C ₃The relay K A contactor control circuit of forming.Wherein two of relay K M contact KM are serially connected in electric welder transformer T respectively ₁In the line of primary coil two ends and power supply, described relay K A contactor control circuit concrete structure is by the transformer T that is connected on the elementary two ends of welder transformer ₂, rectification circuit VD ₁-VD ₂, be connected on the filter circuit R of rectification circuit output end ₁, C ₁, C ₂, be connected on triode V and charge and discharge capacitance C between the rectification circuit output end ₃Form.Wherein the colelctor electrode of triode V and filter circuit are by a relay K A and protection diode V _D5Parallel branch realizes connection, and emitter stage is by electricity level R ₂Connect the other end of filter circuit, base stage is by electricity group R ₃With charge and discharge capacitance C ₃Serial connection back and resistance R ₂Be connected.Charge and discharge capacitance anode and relay K A connect the filtered electrical terminal respectively with electric welder transformer T ₁Two outputs be connected.

When the welding machine standby, transformer T ₁No-output voltage, capacitor C ₃Be discharged to triode V by the time, relay K A power down, its contact disconnects, and makes relay K M power down, its contact disconnects and then cuts off the power supply of welding machine.

Claims

1, a kind of electric welding machine energy-saving controller is characterized in that its circuit structure comprises: be connected in welder transformer T ₁The relay K A contact at elementary two ends and relay K M polyphone branch road are connected in welder transformer T equally ₁The relay K A contactor control circuit at elementary two ends and be serially connected in welder transformer T respectively ₁Two contacts of relay K M in the elementary two ends; Described relay K A contactor control circuit comprises elementary welder transformer T ₁Elementary two ends, the secondary transformer T that connects diode bridge rectifier circuit ₂And bridge rectifier, be connected in the filter circuit of bridge rectifier two outputs, be connected between bridge rectifier two outputs by relay K A with after the protection diode is in parallel, organize R with current collection level one emitter stage, the electricity of triode V again ₂The branch road that is composed in series is respectively by electricity group R ₂, electricity group R ₃With the emitter stage of triode V, the charge and discharge capacitance C that base stage is connected ₃Wherein relay K A's meets bridge rectifier end, charge and discharge capacitance C ₃The base terminal that the meets triode V transformer T of welder respectively ₁Secondary two outputs, described relay K A are at welder transformer no-output voltage, charge and discharge capacitance device C ₃Finish discharge, quit work after causing triode V to end, its contact disconnects.