CN2342513Y

CN2342513Y - Multipurpose power source

Info

Publication number: CN2342513Y
Application number: CN 98228853
Authority: CN
Inventors: 张代林
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-05-20
Filing date: 1998-05-20
Publication date: 1999-10-06
Anticipated expiration: 2008-05-20

Abstract

One path of an input power supply of the utility model is connected with a transformer T through a single-phase self-coupling adjustable transformer TA, an over-current relay KA and an alternating current contactor KM. An adjustable alternating current power supply of the single-phase self-coupling adjustable transformer TA is connected to a wiring terminal X2 and a rectifier U; a tap of the single-phase self-coupling adjustable transformer TA is connected to wiring terminals X1, X0; the output end of the rectifier is connected to wiring terminals X3, X4; the secondary output end of the transformer T is connected to wiring terminals X5, X6. The other path of the input power supply is connected with a fuse FU, a disengage button OFF, close button ON, and the coil of the contactor KM; a series circuit composed of the contact of a heat actuator of the over-current relay KA is grounded.

Description

Multipurpose power source

The utility model is relevant with electric power conversion apparatus, and is especially relevant with the multifunctional power that is used to keep in repair.

At present, surface engineering technology develops rapidly in the maintenance of equipment field, with metal repairing agent prosthetic appliance and part (the necessary alligatoring in surface), make piece surface localized heating self-quench hardening with electrically contacting, with electrospark impregnation and coating rebuild part surface, with electric spark the material that hardens new technology such as bore a hole there is different requirements to power supply, and the most usage of the power supply that is used to repair is single, cost an arm and a leg, complicated operation, the buying difficulty, floor space is big, capacity utilization is not high, causes a large amount of wastings of resources.

The purpose of this utility model provides a kind of simple in structure, and is with low cost, diverse in function, work safety, easy to operate multipurpose power source.Suitable power supply can be provided different repairing technologies.

The utility model is achieved in that the utility model input power supply is behind single-pole circuit breaker QF, one tunnel input single-phase self-coupling adjustable transformer TA's is elementary, one group of adjustable alternating current of the secondary output of TA is through the overcurrent relay KA of series connection, the main contacts KM2 of A.C. contactor KM connects the elementary of transformer T, one group of adjustable ac source of the secondary output of TA, be connected to the input of binding post X2 and single-phase bridge rectifier U, the secondary of TA has the low pressure tap to be connected to binding post X1, the earth terminal of TA is connected to binding post X0, the output of single-phases full bridge rectifier U is connected to binding post X3, X4, one group of adjustable AC great current power supply of the secondary output of transformer T is connected to binding post X5, X6; The input power supply is behind single-pole circuit breaker QF, and fuse FU is imported on another road, cut-off push button OFF, close push button ON, A.C. contactor KM coil, ground connection behind the series circuit that the thermal actuator contact of overcurrent relay KA is formed; Press close push button ON, the auxiliary contact KM1 self-insurance of contactor KM, the KM coil gets electric, and main contacts KM2 connects the elementary of transformer T, presses cut-off push button OFF, the KM coil losing electricity, main contacts KM2 disconnects, the elementary disconnection of transformer T.

The output of single-phases full bridge rectifier U is parallel with RC capacitance-resistance loop and D.C. voltmeter PV1, is connected to fuse FU1 and DC ammeter PA1 between an output and the binding post X4.

Single-phase self-coupling adjustable transformer TA is between the binding post X2, and transformer T has current transformer TA1, TA2 to the circuit between the binding post X6, be connected to electric current and voltage commutation selector switch SA, with A.C. voltmeter PV2, alternating current ammeter PA2, mutual group becomes the AC measurment display circuit, is connected to additional resistance RA between binding post X5 and the selector switch SA.

The utility model input autotelegraph connects circuit breaker Q F input again and is connected to binding post X7 after single phase alternating current (A.C.) pressurizer TS voltage stabilizing.

The utility model is simple in structure, and cost of manufacture is cheap, can the alligatoring in the maintenance of equipment technology be quenched, strengthen, and perforation and daily required demagnetization, charging, low-voltage lighting, voltage stabilizings etc. provide closes the power supply that symbol requires, simple to operate, work safety.Gather multi-function in integral whole, and annex is few, volume is little, and is in light weight, takes up an area of few, easy to use.

Following is accompanying drawing of the present utility model:

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

Fig. 2 is another kind of circuit theory diagrams of the present utility model.

Following is embodiment of the present utility model:

Embodiment 1:

As shown in Figure 1, the utility model is by single-pole circuit breaker QF, single-phase self-coupling adjustable transformer TA, single-phases full bridge rectifier U, overcurrent relay KA, A.C. contactor KM, and transformer T forms main circuit; By fuse FU, closed cut-off push button ON, OFF, the coil of contactor KM and normally open contact, the control protection electric circuit that the thermal actuator contact of overcurrent relay KA is formed; By capacitance-resistance absorption circuit R, C, the DC side protective circuit that fuse FU1 forms; By D.C. voltmeter PV1, the DC measurement display circuit that DC ammeter PA1 forms; By current transformer TA1, TA2, additional resistance RA, A.C. voltmeter PV2, alternating current ammeter PA2, the AC measurment display circuit that electric current and voltage commutation selector switch SA forms; Forming power output end by binding post X0～X6 gives etc.Single phase alternating current power supply U or V, W are divided into two-way after single-pole circuit breaker QF control.One the tunnel is main circuit, enters single-phase self-coupling adjustable transformer TA; With neutral line N is zero point, and at the 36V place of TA coil, the fixing stature of extracting out is connected to binding post X1, can fix one group of low-tension supply of output with binding post X0, and the portable lighter illumination is used when doing maintenance; Export the adjustable ac source of one group of 0～250V by TA, be connected to binding post X2, can make demagnetization and other usefulness with X0, the adjustable ac source of TA output simultaneously also enters a single-phases full bridge rectifier U, export one group of adjustable DC power supply by U and be connected to binding post X3, X4, can do to strengthen, bore a hole, charge and other usefulness, after resistance R and the capacitor C series connection, be parallel to the output of U, fuse FU1 is connected on and forms the DC side over-voltage over-current protection between U and the X4; D.C. voltmeter PV1 is connected in parallel on the output of U, and DC ammeter PA1 is connected between FU1 and the X4, forms dc voltage and current and measures display circuit; The output adjustable ac source of TA also enters overcurrent relay KA, after the control of KA through A.C. contactor KM, enter transformer T, the adjustable AC great current power supply by T exports one group of 0～9V is connected to binding post X5, X6, can do alligatoring, quench and other usefulness, by current transformer TA1, TA2 additional resistance RA, A.C. voltmeter PV2, alternating current ammeter PA2, electric current and voltage commutation selector switch SA connects to form the AC measurment display circuit.After the QF control, another road is to pay circuit, enters fuse FU, with cut-off push button OFF, close push button ON, and the coil of contactor KM, the thermal actuator contact series connection of overcurrent relay KA.Press ON, KM gets electric adhesive, pays contact KM1 self-insurance, and main contact KM2 connects, and T gets electric, output X5, X6; Press OFF, the KM dead electricity disconnects, and KA does overcurrent protection, forms control protection electric circuit.

Embodiment 2:

As shown in Figure 2: embodiment 2 only on the basis of embodiment 1, has increased a single phase alternating current (A.C.) pressurizer TS.After being the process TS of power supply elder generation voltage stabilizing, enter the input of Fig. 1 again, the stabilized voltage power supply of drawing an alternating current 220V is more simultaneously made household electrical appliance with X0 and is protected usefulness with the long-term fringe pressure of office electrical equipment to binding post X7, and present embodiment 2 mainly is the area that is used in spread of voltage.

Major function of the present utility model and the purposes in maintenance are as follows:

1, alligatoring: the material surface roughening promptly hardens.Be used for thermal spraying or, before the bonding part, piece surface carried out roughening treatment with before the metal repairing agent rebuild part.

2, quench: promptly electrically contact the self cooling surface hardening of heating.Be used for matrix and be pearlitic cast iron and matrix and have surface hardenings such as guide rail that materials processings such as the rudimentary cast iron of amount of ferrite, structural steel, carbon steel, steel alloy become, axle journal, cylinder, the flank of tooth, mould, cutlery.

3, strengthen: i.e. electric spark surface peening.Be used for the surface hardening of various moulds, cutlery, measurer, heat-resistant piece, corrosion-resistant piece and axle cylinder tooth and the reparation of machine parts trace wearing and tearing.

4, perforation: i.e. electric-spark drilling.Be used to get fracture screw tap and drill bit, material and the carbide alloy perforation of perhaps hardening.

5, other: demagnetization, normal charge, low-voltage lighting, voltage stabilizing etc.

Claims

1, a kind of multipurpose power source, it is characterized in that importing power supply behind single-pole circuit breaker QF, one tunnel input single-phase self-coupling adjustable transformer TA's is elementary, one group of adjustable alternating current of the secondary output of TA is through the overcurrent relay KA of series connection, the main contacts KM2 of A.C. contactor KM connects the elementary of transformer T, one group of adjustable ac source of the secondary output of TA is connected to the input of binding post X2 and single-phase bridge rectifier U, and the secondary of TA has the low pressure tap to be connected to binding post X1; The earth terminal of TA is connected to binding post X0, and the output of single-phases full bridge rectifier U is connected to binding post X3, X4; One group of adjustable AC great current power supply of the secondary output of transformer T is connected to binding post X5, X6; The input power supply is behind single-pole circuit breaker QF, and fuse FU, cut-off push button OFF are imported in another road, close push button ON, A.C. contactor KM coil, ground connection behind the series circuit that the thermal actuator contact of overcurrent relay KA is formed, press close push button ON, the auxiliary contact KM1 self-insurance of contactor KM, the KM coil gets electric, and main contacts KM2 connects the elementary of transformer T, meet cut-off push button OFF, the KM coil losing electricity, main contacts KM2 disconnects, the elementary disconnection of transformer T.

2, multipurpose power source according to claim 1 is characterized in that the output of single-phase full liquid bridge rectifier U is parallel with RC capacitance-resistance loop and D.C. voltmeter PV1, is connected to fuse FU1 and DC ammeter PA1 between an output and the binding post X4.

3, multipurpose power source according to claim 1, it is characterized in that single-phase self-coupling adjustable transformer TA is between the binding post X2, and transformer T has current transformer TA1, TA2 to the circuit between the binding post X6, be connected to electric current and voltage commutation selector switch SA, with A.C. voltmeter PV2, alternating current ammeter PA2, mutual group becomes the AC measurment display circuit, is connected to additional resistance RA between binding post X5 and the selector switch SA.

4, multipurpose power source according to claim 1 is characterized in that importing power supply and connects circuit breaker Q F input again and be connected to binding post X7 after single phase alternating current (A.C.) pressurizer TS voltage stabilizing.