CN205008738U - Quick spot welder circuit with thyristor on -off control - Google Patents
Quick spot welder circuit with thyristor on -off control Download PDFInfo
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- CN205008738U CN205008738U CN201520656957.1U CN201520656957U CN205008738U CN 205008738 U CN205008738 U CN 205008738U CN 201520656957 U CN201520656957 U CN 201520656957U CN 205008738 U CN205008738 U CN 205008738U
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Abstract
The utility model relates to a quick spot welder circuit with thyristor on -off control, including power control circuit, a drive signal circuit, the 2nd drive signal circuit, thyristor switch circuit and weldment work circuit, a drive signal circuit and the 2nd drive signal circuit are all parallelly connected with power control circuit, the weldment work circuit passes through thyristor switch circuit and is connected with power control circuit. The problem of spot welder in the aspect of response speed has been solved to this quick spot welder circuit that utilizes the thyristor switch, makes the spot welder be applicable to modern industry more, more the wide application produce in modern industry.
Description
Technical field
The utility model relates to the Quick-Point welder circuit that a kind of thyristor switch controls.
Background technology
In modern industry is produced, electric welding is that a kind of metal forming permanent combination connects, and when welding, weldment is by welding current local pyrexia, and applies pressure in contact heating place of weldment, and formation solder joint, current mash welder is widely used in each industrial department.
Because mash welder application is more and more extensive, the technical requirement therefore for mash welder is also more and more higher.Response speed for mash welder requires more and more higher present, and how meeting present industrial requirement is present mash welder urgent problem.
Utility model content
The technical problems to be solved in the utility model is: in order to the deficiency that the electric welding machine response speed overcoming prior art is slow, provide the Quick-Point welder circuit that a kind of thyristor switch controls.
The utility model solves the technical scheme that its technical problem adopts: the Quick-Point welder circuit that a kind of thyristor switch controls, comprise power control circuit, the first drive signal circuit, the second drive signal circuit, thyristor switch circuit and welding job circuit, described first drive signal circuit and the second drive signal circuit all in parallel with power control circuit, described welding job circuit is connected with power control circuit by thyristor switch circuit.
Particularly, described power control circuit comprises the second fuse, first switch, 3rd transformer, first rectifier bridge, 3rd backward dioded, second electric capacity, first voltage stabilizing triode, 3rd electric capacity, second resistance, first light emitting diode, relay and second switch, the primary side of described 3rd transformer is connected with external 220V voltage source with the series circuit that the first switch forms by the second fuse, the input of described first rectifier bridge is connected with the secondary side of the 3rd transformer, the input of the 3rd backward dioded is connected with the positive pole of the first rectifier bridge, the output of described 3rd backward dioded is connected with the input of the first voltage stabilizing triode, the positive pole of the second electric capacity is connected with the input of the first voltage stabilizing triode, the negative pole of the second electric capacity is connected with the negative pole of the first rectifier bridge, described first voltage stabilizing triode and the second Capacitance parallel connection, described 3rd electric capacity is in parallel with the first voltage stabilizing triode, the series circuit of the second resistance and the first light emitting diode composition and the 3rd Capacitance parallel connection, the series circuit that the series circuit that the input coil of relay and second switch form forms with the second resistance and the first light emitting diode is in parallel.
Particularly, described first drive signal circuit comprises the 4th transformer, second rectifier bridge, 4th backward dioded, 4th electric capacity, second voltage stabilizing triode, 5th electric capacity, 3rd resistance and the second light emitting diode, the primary side of described 4th transformer and the 3rd transformers connected in parallel, the input of described second rectifier bridge is connected with the secondary side of the 4th transformer, the input of described 4th backward dioded is connected with the positive pole of the second rectifier bridge, the output of described 4th backward dioded is connected with the input of the second voltage stabilizing triode, the positive pole of described 4th electric capacity is connected with the input of the second voltage stabilizing triode, the negative pole of described 4th electric capacity is connected with the negative pole of the second rectifier bridge, described second voltage stabilizing triode and the 4th Capacitance parallel connection, described 5th electric capacity is in parallel with the second voltage stabilizing triode, the series circuit of the 3rd resistance and the second light emitting diode composition and the 5th Capacitance parallel connection, the series circuit that 3rd resistance and the second light emitting diode form is connected with relay.
Particularly, described second drive signal circuit comprises the 5th transformer, 3rd rectifier bridge, 5th backward dioded, 6th electric capacity, 3rd voltage stabilizing triode, 7th electric capacity, 4th resistance and the 3rd light emitting diode, the primary side of described 5th transformer and the 4th transformers connected in parallel, the input of described 3rd rectifier bridge is connected with the secondary side of the 5th transformer, the input of described 5th backward dioded is connected with the positive pole of the 3rd rectifier bridge, the output of the 5th backward dioded is connected with the input of the 3rd voltage stabilizing triode, the positive pole of described 6th electric capacity is connected with the input of the 3rd voltage stabilizing triode, the negative pole of the 6th electric capacity is connected with the negative pole of the 3rd rectifier bridge, described 3rd voltage stabilizing triode and the 6th Capacitance parallel connection, described 7th electric capacity is in parallel with the 3rd voltage stabilizing triode, the series circuit of the 4th resistance and the 3rd light emitting diode composition and the 7th Capacitance parallel connection, the series circuit that 4th resistance forms with the 3rd light emitting diode is connected with relay.
Particularly, described thyristor switch circuit comprises the 3rd fuse, the 4th fuse, the first IGCT, the second IGCT, the first resistance, the first electric capacity and the 6th transformer, described first IGCT and the second IGCT form inverse parallel circuit, described first IGCT and the 3rd fuse and the 4th fuse are connected with external power source after connecting, and the series circuit that primary side and the first resistance and first electric capacity of described 6th transformer form is in parallel.
Particularly, the gate pole of described first IGCT is all connected with relay with the second gate circuit transistor gate, and the first IGCT is connected with the first drive signal circuit and the second drive signal circuit respectively with the inverse parallel circuit of the second IGCT.
Particularly, described welding job circuit comprises welding rod and welding work pieces, and described welding rod is connected with the secondary side of the 6th transformer and welding work pieces respectively, the secondary side of the 6th transformer and welding work pieces junction ground connection.
The beneficial effects of the utility model are, this utilizes the Quick-Point welder circuit of thyristor switch to solve the problem of mash welder in response speed, and make mash welder be more applicable for modern industry, broader applications are produced in modern industry.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the circuit theory diagrams of the Quick-Point welder circuit that the utility model thyristor switch controls;
Fig. 2 is the enlarged drawing of the power control circuit of the Quick-Point welder circuit that the utility model thyristor switch controls;
Fig. 3 is the enlarged drawing of the first drive signal circuit of the Quick-Point welder circuit that the utility model thyristor switch controls;
Fig. 4 is the enlarged drawing of the second drive signal circuit of the Quick-Point welder circuit that the utility model thyristor switch controls;
Fig. 5 is the enlarged drawing of the thyristor switch circuit of the Quick-Point welder circuit that the utility model thyristor switch controls;
In figure: 1. power control circuit, 2. the first drive signal circuit, 3. the second drive signal circuit, 4. thyristor switch circuit, 5. welding job circuit, SW4. the first switch, QA. second switch, T3. the 3rd transformer, T4. the 4th transformer, T5. the 5th transformer, T6. the 6th transformer, N1. the first rectifier bridge, N2. the second rectifier bridge, N3. the 3rd rectifier bridge, D3. the 3rd backward dioded, D4. the 4th backward dioded, D5. the 5th backward dioded, C1. the first electric capacity, C2. the second electric capacity, C3. the 3rd electric capacity, C4. the 4th electric capacity, C5. the 5th electric capacity, C6. the 6th electric capacity, C7. the 7th electric capacity, U1. the first voltage stabilizing triode, U2. the second voltage stabilizing triode, U3. the 3rd voltage stabilizing triode, R1. the first resistance, R2. the second resistance, R3. the 3rd resistance, R4. the 4th resistance, LD1. the first light emitting diode, LD2. the second light emitting diode, LD3 the 3rd light emitting diode, KA. relay, FU2. the second fuse, FU3. the 3rd fuse, FU4. the 4th fuse, Q1. the first IGCT, Q2. the second IGCT, H1. welding rod, H2. welding work pieces.
Detailed description of the invention
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As Figure 1-Figure 5, the Quick-Point welder circuit that a kind of thyristor switch controls, comprise power control circuit 1, first drive signal circuit 2, second drive signal circuit 3, thyristor switch circuit 4 and welding job circuit 5, described first drive signal circuit 2 and the second drive signal circuit 3 all in parallel with power control circuit 1, described welding job circuit 5 is connected with power control circuit 1 by thyristor switch circuit 4.
Particularly, described power control circuit 1 comprises the second fuse FU2, first interrupteur SW 4, 3rd transformer T3, first rectifier bridge N1, 3rd backward dioded D3, second electric capacity C2, first voltage stabilizing triode U1, 3rd electric capacity C3, second resistance R2, first light emitting diode LD1, relay K A and second switch QA, the primary side of described 3rd transformer T3 is connected with external 220V voltage source with the series circuit that the first interrupteur SW 4 forms by the second fuse FU2, the input of described first rectifier bridge N1 is connected with the secondary side of the 3rd transformer T3, the input of the 3rd backward dioded D3 is connected with the positive pole of the first rectifier bridge N1, the output of described 3rd backward dioded D3 is connected with the input of the first voltage stabilizing triode U1, the positive pole of the second electric capacity C2 is connected with the input of the first voltage stabilizing triode U1, the negative pole of the second electric capacity C2 is connected with the negative pole of the first rectifier bridge N1, described first voltage stabilizing triode U1 is in parallel with the second electric capacity C2, described 3rd electric capacity C3 is in parallel with the first voltage stabilizing triode U1, the series circuit that second resistance R2 and the first light emitting diode LD1 forms is in parallel with the 3rd electric capacity C3, the series circuit that the input coil of relay K A and second switch QA form and the series circuit that the second resistance R2 and the first light emitting diode LD1 forms are in parallel.
Particularly, described first drive signal circuit 2 comprises the 4th transformer T4, second rectifier bridge N2, 4th backward dioded D4, 4th electric capacity C4, second voltage stabilizing triode U2, 5th electric capacity C5, 3rd resistance R3 and the second light emitting diode LD2, the primary side of described 4th transformer T4 is in parallel with the 3rd transformer T3, the input of described second rectifier bridge N2 is connected with the secondary side of the 4th transformer T4, the input of described 4th backward dioded D4 is connected with the positive pole of the second rectifier bridge N2, the output of described 4th backward dioded D4 is connected with the input of the second voltage stabilizing triode U2, the positive pole of described 4th electric capacity C4 is connected with the input of the second voltage stabilizing triode U2, the negative pole of described 4th electric capacity C4 is connected with the negative pole of the second rectifier bridge N2, described second voltage stabilizing triode U2 is in parallel with the 4th electric capacity C4, described 5th electric capacity C5 is in parallel with the second voltage stabilizing triode U2, the series circuit that 3rd resistance R3 and the second light emitting diode LD2 forms is in parallel with the 5th electric capacity C5, the series circuit that 3rd resistance R3 forms with the second light emitting diode LD2 is connected with relay K A.
Particularly, described second drive signal circuit 3 comprises the 5th transformer T5, 3rd rectifier bridge N3, 5th backward dioded D5, 6th electric capacity C6, 3rd voltage stabilizing triode U3, 7th electric capacity C7, 4th resistance R4 and the 3rd light emitting diode D3, the primary side of described 5th transformer T5 is in parallel with the 4th transformer T4, the input of described 3rd rectifier bridge N3 is connected with the secondary side of the 5th transformer T5, the input of described 5th backward dioded D5 is connected with the positive pole of the 3rd rectifier bridge N3, the output of the 5th backward dioded D5 is connected with the input of the 3rd voltage stabilizing triode U3, the positive pole of described 6th electric capacity C6 is connected with the input of the 3rd voltage stabilizing triode U3, the negative pole of the 6th electric capacity C6 is connected with the negative pole of the 3rd rectifier bridge N3, described 3rd voltage stabilizing triode U3 is in parallel with the 6th electric capacity C6, described 7th electric capacity C7 is in parallel with the 3rd voltage stabilizing triode I3, the series circuit that 4th resistance R4 and the 3rd light emitting diode LD3 forms is in parallel with the 7th electric capacity C7, the series circuit that 4th resistance R4 forms with the 3rd light emitting diode LD3 is connected with relay K A.
Particularly, described thyristor switch circuit 4 comprises the 3rd fuse FU3, the 4th fuse FU4, the first IGCT Q1, the second IGCT Q2, the first resistance R1, the first electric capacity C1 and the 6th transformer T6, described first IGCT Q1 and the second IGCT Q2 forms inverse parallel circuit, be connected with external power source after described first IGCT Q1 and the 3rd fuse FU3 and the 4th fuse FU4 connect, the series circuit that primary side and the first resistance R1 and the first electric capacity C1 of described 6th transformer T6 form is in parallel.
Particularly, the gate pole of described first IGCT Q1 is all connected with relay K A with the second IGCT Q2 gate pole, and the first IGCT Q1 is connected with the first drive signal circuit 2 and the second drive signal circuit 3 respectively with the inverse parallel circuit of the second IGCT Q2.
Particularly, described welding job circuit 5 comprises welding rod H1 and welding work pieces H2, and described welding rod H1 connects with the secondary side of the 6th transformer T6 and welding work pieces H2 respectively, the secondary side of the 6th transformer T6 and welding work pieces H2 junction ground connection.
Power control circuit is by control relay KA, control the triggering signal g1 of the first drive signal circuit 2 and triggering signal g2 of the second drive signal circuit 3, control the triggering signal g1 of the first drive signal circuit 2 and triggering signal g2 of the second drive signal circuit 3, IGCT Q1 and IGCT Q2 in conducting thyristor on-off circuit 4 respectively, thus thyristor switch circuit turn-on produces big current instantaneously by welding job circuit, spot welding work can be completed.
Ac voltage power supply 220V is by the 3rd transformer T3 step-down, again through the first rectifier bridge N1 rectification, again through the second electric capacity C2 filtering, then DC voltage+12V is exported by the first voltage stabilizing triode U1, again through the 3rd electric capacity C3 filtering, whether the series circuit of the second resistance R2 and the first light emitting diode LD1 is used for showing DC voltage+12V work normal, DC voltage+12V is used for driving the output of relay K A through relay K A, second switch QA is used for controlling the break-make of DC voltage+12V, thus carrys out the output of control relay KA.
Ac voltage power supply 220V is by the 4th transformer T4 step-down, again through the second rectifier bridge N2 rectification, again through the 4th electric capacity C4 filtering, then DC voltage+5V is exported by the second voltage stabilizing triode U2, again through the 5th electric capacity C5 filtering, whether the series circuit of the 4th resistance R4 and the second light emitting diode LD2 is used for display DC voltage+5V work normal, and DC voltage+5V is used for the gate pole g1 of triggering first IGCT Q1 through the output of relay K A.
Ac voltage power supply 220V is by the 5th transformer T5 step-down, again through the 3rd rectifier bridge N3 rectification, again through the 6th electric capacity C6 filtering, then DC voltage+5V is exported by the 3rd voltage stabilizing triode U3, again through the 7th electric capacity C7 filtering, whether the series circuit of the 6th resistance R6 and the 3rd light emitting diode LD3 is used for display DC voltage+5V work normal, and DC voltage+5V is used for the gate pole g1 of triggering second IGCT Q2 through the output of relay K A.
While first drive signal circuit 2 triggers the first IGCT Q1, the second drive signal circuit 3 triggers the second IGCT Q2, makes thyristor switch circuit 4 instantaneous short circuit, and the series circuit that the first resistance R1 and the first electric capacity C1 forms is for absorbing peak voltage.
The instantaneous short circuit of thyristor switch circuit 4, makes welding job circuit 5 produce big current and can complete spot welding work.
Compared with prior art, this utilizes the Quick-Point welder circuit of thyristor switch to solve the problem of mash welder in response speed, and make mash welder be more applicable for modern industry, broader applications are produced in modern industry.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on description, must determine its technical scope according to right.
Claims (7)
1. the Quick-Point welder circuit controlled with thyristor switch, it is characterized in that, comprise power control circuit, the first drive signal circuit, the second drive signal circuit, thyristor switch circuit and welding job circuit, described first drive signal circuit and the second drive signal circuit all in parallel with power control circuit, described welding job circuit is connected with power control circuit by thyristor switch circuit.
2. as claimed in claim 1 with the Quick-Point welder circuit that thyristor switch controls, it is characterized in that, described power control circuit comprises the second fuse, first switch, 3rd transformer, first rectifier bridge, 3rd backward dioded, second electric capacity, first voltage stabilizing triode, 3rd electric capacity, second resistance, first light emitting diode, relay and second switch, the primary side of described 3rd transformer is connected with external 220V voltage source with the series circuit that the first switch forms by the second fuse, the input of described first rectifier bridge is connected with the secondary side of the 3rd transformer, the input of the 3rd backward dioded is connected with the positive pole of the first rectifier bridge, the output of described 3rd backward dioded is connected with the input of the first voltage stabilizing triode, the positive pole of the second electric capacity is connected with the input of the first voltage stabilizing triode, the negative pole of the second electric capacity is connected with the negative pole of the first rectifier bridge, described first voltage stabilizing triode and the second Capacitance parallel connection, described 3rd electric capacity is in parallel with the first voltage stabilizing triode, the series circuit of the second resistance and the first light emitting diode composition and the 3rd Capacitance parallel connection, the series circuit that the series circuit that the input coil of relay and second switch form forms with the second resistance and the first light emitting diode is in parallel.
3. as claimed in claim 1 with the Quick-Point welder circuit that thyristor switch controls, it is characterized in that, described first drive signal circuit comprises the 4th transformer, second rectifier bridge, 4th backward dioded, 4th electric capacity, second voltage stabilizing triode, 5th electric capacity, 3rd resistance and the second light emitting diode, the primary side of described 4th transformer and the 3rd transformers connected in parallel, the input of described second rectifier bridge is connected with the secondary side of the 4th transformer, the input of described 4th backward dioded is connected with the positive pole of the second rectifier bridge, the output of described 4th backward dioded is connected with the input of the second voltage stabilizing triode, the positive pole of described 4th electric capacity is connected with the input of the second voltage stabilizing triode, the negative pole of described 4th electric capacity is connected with the negative pole of the second rectifier bridge, described second voltage stabilizing triode and the 4th Capacitance parallel connection, described 5th electric capacity is in parallel with the second voltage stabilizing triode, the series circuit of the 3rd resistance and the second light emitting diode composition and the 5th Capacitance parallel connection, the series circuit that 3rd resistance and the second light emitting diode form is connected with relay.
4. as claimed in claim 1 with the Quick-Point welder circuit that thyristor switch controls, it is characterized in that, described second drive signal circuit comprises the 5th transformer, 3rd rectifier bridge, 5th backward dioded, 6th electric capacity, 3rd voltage stabilizing triode, 7th electric capacity, 4th resistance and the 3rd light emitting diode, the primary side of described 5th transformer and the 4th transformers connected in parallel, the input of described 3rd rectifier bridge is connected with the secondary side of the 5th transformer, the input of described 5th backward dioded is connected with the positive pole of the 3rd rectifier bridge, the output of the 5th backward dioded is connected with the input of the 3rd voltage stabilizing triode, the positive pole of described 6th electric capacity is connected with the input of the 3rd voltage stabilizing triode, the negative pole of the 6th electric capacity is connected with the negative pole of the 3rd rectifier bridge, described 3rd voltage stabilizing triode and the 6th Capacitance parallel connection, described 7th electric capacity is in parallel with the 3rd voltage stabilizing triode, the series circuit of the 4th resistance and the 3rd light emitting diode composition and the 7th Capacitance parallel connection, the series circuit that 4th resistance forms with the 3rd light emitting diode is connected with relay.
5. as claimed in claim 1 with the Quick-Point welder circuit that thyristor switch controls, it is characterized in that, described thyristor switch circuit comprises the 3rd fuse, the 4th fuse, the first IGCT, the second IGCT, the first resistance, the first electric capacity and the 6th transformer, described first IGCT and the second IGCT form inverse parallel circuit, described first IGCT and the 3rd fuse and the 4th fuse are connected with external power source after connecting, and the series circuit that primary side and the first resistance and first electric capacity of described 6th transformer form is in parallel.
6. as claimed in claim 5 with the Quick-Point welder circuit that thyristor switch controls, it is characterized in that, the gate pole of described first IGCT is all connected with relay with the second gate circuit transistor gate, and the first IGCT is connected with the first drive signal circuit and the second drive signal circuit respectively with the inverse parallel circuit of the second IGCT.
7. as claimed in claim 5 with the Quick-Point welder circuit that thyristor switch controls, it is characterized in that, described welding job circuit comprises welding rod and welding work pieces, described welding rod is connected with the secondary side of the 6th transformer and welding work pieces respectively, the secondary side of the 6th transformer and welding work pieces junction ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520656957.1U CN205008738U (en) | 2015-08-28 | 2015-08-28 | Quick spot welder circuit with thyristor on -off control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520656957.1U CN205008738U (en) | 2015-08-28 | 2015-08-28 | Quick spot welder circuit with thyristor on -off control |
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| Publication Number | Publication Date |
|---|---|
| CN205008738U true CN205008738U (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520656957.1U Expired - Fee Related CN205008738U (en) | 2015-08-28 | 2015-08-28 | Quick spot welder circuit with thyristor on -off control |
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| Country | Link |
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| CN (1) | CN205008738U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112054670A (en) * | 2020-08-07 | 2020-12-08 | 皓骏科技(北京)有限公司 | Microphone and charge pump circuit thereof |
-
2015
- 2015-08-28 CN CN201520656957.1U patent/CN205008738U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112054670A (en) * | 2020-08-07 | 2020-12-08 | 皓骏科技(北京)有限公司 | Microphone and charge pump circuit thereof |
| CN112054670B (en) * | 2020-08-07 | 2023-10-17 | 苏州纳芯微电子股份有限公司 | Microphone and charge pump circuit thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20160828 |