CN206153741U - Innovation high frequency on -off capacitor discharge spot welding machine - Google Patents
Innovation high frequency on -off capacitor discharge spot welding machine Download PDFInfo
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- CN206153741U CN206153741U CN201621063996.1U CN201621063996U CN206153741U CN 206153741 U CN206153741 U CN 206153741U CN 201621063996 U CN201621063996 U CN 201621063996U CN 206153741 U CN206153741 U CN 206153741U
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Abstract
The utility model relates to an innovation high frequency on -off capacitor discharge spot welding machine, it includes AC input, direct -current input end, EMI filter circuit, input rectification filter circuit, high frequency inverter circuit, high frequency variable pressure circuit, output Rectifier filter circuit, drive circuit, auxiliary electrical power source, DSP controller, high frequency variable pressure ware, protection circuit and filter circuit 0. Be provided with the contact switch because of high -frequency transformer is inside, this contact switch adopts high -power MOS pipe ignitron to constitute, small as contactless high current switch, and noiselessness and convenient to use, as long as the ignitron has 110 electrifications, can effectively be utilized to it is little to reach the contact, and current switch silicon controlled rectifier consumption is little, and the noise is little. During the use, as long as will contact S and S1 closed or the contact S and contact S2 closure of contacting, can to reach operation convenient to use's effect.
Description
【Technical field】
The utility model is related to a kind of innovation high frequency switched capacitances reserve energy spot welding machine.
【Background technology】
Increasingly miniaturization and multifunction with electronic equipment so that reliability requirement of the user to hydrid integrated circuit
More and more higher.If without good encapsulation technology, the various components and parts and hybrid integrated of described hydrid integrated circuit
Circuit will be affected by external environment, or even cause the entirely ineffective of circuit.The hydrid integrated circuit encapsulation is exactly will
One or more integrated circuits for having certain function are arranged on chip internal, then the chip for being provided with integrated circuit are placed on into one
In the individual outer casing container adaptable with it, its objective is to provide reliable and stable working environment to chip.Percussion welder conduct
Hydrid integrated circuit encapsulation principal mode, the percussion welder be applied to medium and small cavity, highly reliable hydrid integrated circuit it is airtight
Envelope encapsulation.Traditional energy storage type percussion welder is big using power consumption, and efficiency is low, bulky Industrial Frequency Transformer, controllable silicon and heaviness
A.C. contactor and ignitron constitute.But the A.C. contactor of controllable silicon and heaviness is contactless big, current switch can
Control silicon power consumption is big, and noise is big.
【Utility model content】
In view of this, technical problem to be solved in the utility model little, the current switch controllable silicon that is to provide a kind of contact
Small power consumption, noise is little, innovation high frequency switched capacitances reserve energy spot welding machine easy for operation.
Above-mentioned technical problem is solved for this, the technical scheme in the utility model adopts a kind of innovation high frequency switch type electricity
Hold reserve energy spot welding machine, it includes ac input end, and direct-flow input end, EMI filter circuit, input rectifying filter circuit, high frequency is inverse
Become circuit, output rectifier and filter, drive circuit, accessory power supply, dsp controller, high frequency transformer and is adopted at protection circuit
Sample circuit；Described EMI filter circuit is connected with ac input end, and described input rectifying filter circuit input is filtered with EMI
Wave circuit output end connects, and described input rectifying filter circuit output end is connected with each other with high-frequency inverter circuit output end, institute
The high frequency transformer input stated is connected with each other with high-frequency inverter circuit output end, the output rectifier and filter input with
High frequency transformer output end connects, and the output rectifier and filter output end is connected with the input of DC output end；It is described
Drive circuit input is connected with each other with dsp controller, and described drive circuit output end is connected with high-frequency inverter circuit；It is described
Dsp controller input be connected with auxiliary power output end, the dsp controller output end is mutual with sample circuit output end
Connection；What the protection circuit two ends were connected respectively with accessory power supply input and sample circuit input.
According to described in above-mentioned technical characteristics, described high frequency transformer includes welding transformer T2, electric capacity C1, electric capacity
C2, contact switch, resistance R1, power end Ua；Described electric capacity C1 is connected in parallel on welding transformer T2 one end, and described electric capacity C2 is simultaneously
The welding transformer T2 other ends are associated in, after the power end Ua connects with resistance R1, the welding transformer T2 other ends is parallel to；
Described contact switch is arranged on electric capacity C1, resistance R1 and welding transformer T2 one end intersection.
According to described in above-mentioned technical characteristics, described contact switch includes contact S, contact S1, contact S2, Yi Jiyong
In contact contact S respectively, the contact head of contact S1, contact S2.
According to described in above-mentioned technical characteristics, described contact switch is constituted using high-power MOS tube ignitron.
Advantageous Effects of the present utility model：Because described EMI filter circuit is connected with ac input end, described is defeated
Enter current rectifying and wave filtering circuit input to be connected with EMI filter circuit output end, described input rectifying filter circuit output end with it is high
Frequency inverter circuit output end is connected with each other, and described high frequency transformer input is connected with each other with high-frequency inverter circuit output end,
The output rectifier and filter input is connected with high frequency transformer output end, the output rectifier and filter output end with
The input connection of DC output end；The drive circuit input is connected with each other with dsp controller, and described drive circuit is defeated
Go out end to be connected with high-frequency inverter circuit；Described dsp controller input is connected with auxiliary power output end, the DSP controls
Device output end is connected with each other with sample circuit output end；The protection circuit two ends are electric with accessory power supply input and sampling respectively
Road input connection, and constitute.During described discharge and recharge, described contact switch is using high-power MOS tube ignitron structure
Into, as the small volume of contactless high-current switch, noiselessness and easy to use, as long as the ignitron has 1/10 using electricity
Power, can be utilized effectively, little so as to reach contact, and current switch controllable silicon small power consumption, noise is little.When using, as long as will
Contact S and contact S1 is closed or contact S and contact S2 is closed, you can, so as to reach effect easy for operation.
With reference to the accompanying drawings and examples, the technical solution of the utility model is described in further detail.
【Description of the drawings】
Fig. 1 is the circuit diagram that high frequency switched capacitances reserve energy spot welding machine is innovated in the utility model；
Fig. 2 is the circuit diagram of the utility model medium/high frequency transformer；
Fig. 3 is the operation principle schematic diagram that high frequency switched capacitances reserve energy spot welding machine is innovated in the utility model.
【Specific embodiment】
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are clearer, clear, with
Under in conjunction with the accompanying drawings and embodiments, the utility model is further elaborated.It should be appreciated that concrete reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
Refer to shown in Fig. 1, with reference to a kind of innovation high frequency switched capacitances reserve energy spot welding machine of embodiment explanation, its bag
Include ac input end, direct-flow input end, EMI filter circuit, input rectifying filter circuit, high-frequency inverter circuit, output rectification filter
Wave circuit, drive circuit, accessory power supply, dsp controller, high frequency transformer, protection circuit and sample circuit.
Described EMI filter circuit is connected with ac input end, and described input rectifying filter circuit input is filtered with EMI
Wave circuit output end connects, and described input rectifying filter circuit output end is connected with each other with high-frequency inverter circuit output end, institute
The high frequency transformer input stated is connected with each other with high-frequency inverter circuit output end, the output rectifier and filter input with
High frequency transformer output end connects, and the output rectifier and filter output end is connected with the input of DC output end；It is described
Drive circuit input is connected with each other with dsp controller, and described drive circuit output end is connected with high-frequency inverter circuit；It is described
Dsp controller input be connected with auxiliary power output end, the dsp controller output end is mutual with sample circuit output end
Connection；What the protection circuit two ends were connected respectively with accessory power supply input and sample circuit input.
Refer to shown in Fig. 2, described high frequency transformer includes welding transformer T2, electric capacity C1, electric capacity C2, and contact is opened
Close, resistance R1, power end Ua；Described electric capacity C1 is connected in parallel on welding transformer T2 one end, and described electric capacity C2 is connected in parallel on welding
The transformer T2 other ends, after the power end Ua connects with resistance R1, are parallel to the welding transformer T2 other ends；Described touches
Point switch is arranged on electric capacity C1, resistance R1 and welding transformer T2 one end intersection.Described contact switch includes contact S,
Contact S1, contact S2, and for contacting contact S, the contact head of contact S1, contact S2 respectively.Described contact switch is to adopt
Constituted with high-power MOS tube ignitron.When contact S and contact S1 are mutually closed, then electric capacity C1 charges, and electric capacity C1 reaches institute
After needing voltage；It is mutually closed when contact S is contacted with contact S2 points, then electric capacity C1 is put by the first winding of welding transformer T2
Electricity.Resistance R1 is control charging current and charging interval, and in the resistance very little of welding circuit, electric current is very big, generation it is instantaneous
Heat is more, is easy to welding.
Refer to shown in Fig. 3, be arranged at the metal pipe cap inside the reserve energy spot welding machine, base and be respectively placed in dimension
Upper weld mold, lower weld mold in, and apply certain welding pressure, stored up in the long period using energy-storage capacitor
Electric energy, and welding the characteristics of in a flash energy is discharged obtaining great welding current, contact resistance is by electricity
Heat energy can be converted into and realize welding process.
In the present embodiment, the reserve energy spot welding machine carries out programme-control using advanced integrated circuit MCU.Discharge and recharge
Contact switch adopts high-power MOS tube ignitron, and the contact constituted as the high-power MOS tube of contactless high-current switch is opened
Close, the contact switch have small volume, noiselessness, it is easy to use the features such as.The pressure drop at especially contact switch two ends is only ignited
The 1/10 of pipe, is effectively utilized electric power.The energy storage capacity of energy-accumulating spot welder can reach very greatly, and volume is but very
Little, charging voltage is monitored by contact switch precise control and continuously adjustabe by voltmeter.Set inside the energy-accumulating spot welder
Over-pressure safety device is equipped with, prevents from puncturing energy storage electric container.Because the charging current of energy-accumulating spot welder is much smaller than electric discharge electricity
Stream, therefore, the impact very little to electrical network, the requirement to power is not also high.Further, since during the electric discharge of energy-accumulating spot welder
Between it is extremely short, stablizing for welder performance is also can guarantee that in the case of mains fluctuations.The discharge range of energy-accumulating spot welder is not
In there is alternating current circuit, the cooling interval occurred when electric current is reverse, therefore, it is more suited to weld electric conductivity and thermal conductivity is good
The good metal of light metal, such as mild steel, kovar alloy, stainless steel, nickel filament and other conductive, thermal conductivity.
In sum, because described EMI filter circuit is connected with ac input end, described input rectifying filter circuit is defeated
Enter end to be connected with EMI filter circuit output end, described input rectifying filter circuit output end and high-frequency inverter circuit output end
It is connected with each other, described high frequency transformer input is connected with each other with high-frequency inverter circuit output end, the output rectification filter
Circuit input end is connected with high frequency transformer output end, the input of the output rectifier and filter output end and DC output end
End connection；The drive circuit input is connected with each other with dsp controller, and described drive circuit output end is electric with high-frequency inversion
Road connects；Described dsp controller input is connected with auxiliary power output end, and the dsp controller output end is electric with sampling
Road output end is connected with each other；What the protection circuit two ends were connected respectively with accessory power supply input and sample circuit input,
And constitute.During described discharge and recharge, described contact switch is constituted using high-power MOS tube ignitron, used as contactless big
The small volume of current switch, noiselessness and easy to use, as long as the ignitron has 1/10 to use electric power, can be obtained effectively
Utilize, little so as to reach contact, current switch controllable silicon small power consumption, noise is little.When using, as long as contact S is closed with contact S1
Close or contact S and contact S2 closed, you can, so as to reach effect easy for operation.
Above by reference to preferred embodiment of the present utility model has been illustrated, not thereby limit to right of the present utility model
Scope.Those skilled in the art are without departing from any modification, equivalent made in scope and spirit of the present utility model and change
Enter, all should be within interest field of the present utility model.
Claims (4)
1. a kind of to innovate high frequency switched capacitances reserve energy spot welding machine, it includes ac input end, direct-flow input end, EMI filtered electricals
Road, input rectifying filter circuit, high-frequency inverter circuit, output rectifier and filter, drive circuit, accessory power supply, DSP controls
Device, high frequency transformer, protection circuit and sample circuit；It is characterized in that：Described EMI filter circuit connects with ac input end
Connect, described input rectifying filter circuit input is connected with EMI filter circuit output end, described input rectifying filter circuit
Output end is connected with each other with high-frequency inverter circuit output end, described high frequency transformer input and high-frequency inverter circuit output end
It is connected with each other, the output rectifier and filter input is connected with high frequency transformer output end, the output rectification filter electricity
Road output end is connected with the input of DC output end；The drive circuit input is connected with each other with dsp controller, described
Drive circuit output end is connected with high-frequency inverter circuit；Described dsp controller input is connected with auxiliary power output end, institute
State dsp controller output end to be connected with each other with sample circuit output end；The protection circuit two ends are input into respectively with accessory power supply
What end and sample circuit input connected.
It is 2. according to claim 1 to innovate high frequency switched capacitances reserve energy spot welding machine, it is characterised in that：Described high frequency becomes
Depressor includes welding transformer T2, electric capacity C1, electric capacity C2, contact switch, resistance R1, power end Ua；Described electric capacity C1 is in parallel
In welding transformer T2 one end, described electric capacity C2 is connected in parallel on the welding transformer T2 other ends, the power end Ua and resistance R1
After series connection, the welding transformer T2 other ends are parallel to；Described contact switch is arranged on electric capacity C1, and resistance R1 and welding become
Depressor T2 one end intersection.
It is 3. according to claim 2 to innovate high frequency switched capacitances reserve energy spot welding machine, it is characterised in that：Open described contact
Pass includes contact S, contact S1, contact S2, and for contacting contact S, the contact head of contact S1, contact S2 respectively.
4. the innovation high frequency switched capacitances reserve energy spot welding machine according to Claims 2 or 3, it is characterised in that：Described touches
Point switch is constituted using high-power MOS tube ignitron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621063996.1U CN206153741U (en) | 2016-09-19 | 2016-09-19 | Innovation high frequency on -off capacitor discharge spot welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621063996.1U CN206153741U (en) | 2016-09-19 | 2016-09-19 | Innovation high frequency on -off capacitor discharge spot welding machine |
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| Publication Number | Publication Date |
|---|---|
| CN206153741U true CN206153741U (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621063996.1U Active CN206153741U (en) | 2016-09-19 | 2016-09-19 | Innovation high frequency on -off capacitor discharge spot welding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106238893A (en) * | 2016-09-19 | 2016-12-21 | 广州皖力实业有限公司 | Innovation high frequency switched capacitances reserve energy spot welding machine |
-
2016
- 2016-09-19 CN CN201621063996.1U patent/CN206153741U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106238893A (en) * | 2016-09-19 | 2016-12-21 | 广州皖力实业有限公司 | Innovation high frequency switched capacitances reserve energy spot welding machine |
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