CN206509631U - A kind of zero point delayed trigger circuit - Google Patents
A kind of zero point delayed trigger circuit Download PDFInfo
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- CN206509631U CN206509631U CN201720039729.9U CN201720039729U CN206509631U CN 206509631 U CN206509631 U CN 206509631U CN 201720039729 U CN201720039729 U CN 201720039729U CN 206509631 U CN206509631 U CN 206509631U
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- diode
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- relay
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Abstract
The utility model belongs to welding machine control field of circuit technology, more particularly to a kind of zero point delayed trigger circuit, including controllable silicon, diode, discharge capacity, resistance, the solid-state relay with zero Trigger Function, electric bridge, relay, switch element, controller, it is fixed trigger signal that the utility model, which solves prior art to have butt welding to connect triggering mode, the problem of discreteness and inconsistent temperature drift of the intrinsic electric parameter of semiconductor devices, with practicality is high, reliability is high, uniformity is good, stable advantageous effects.
Description
Technical field
The utility model belongs to welding machine control field of circuit technology, more particularly to a kind of zero point delayed trigger circuit.
Background technology
At present, electric capacity energy storage direct discharge type welding machine, depends primarily on the energy storage capacity of electric capacity, and discharge current time,
Because all condenser discharge welders use higher charge control mode, it is unrelated with external voltage fluctuations, so it is welded
The waveform that quality depends primarily on welding current is relevant, and welding requirements must be consistent, because electric discharge main switch element is big
Type semiconductor element, it is known that semiconductor devices electrical parameter is inconsistent, because the drift of device self-temperature is to welding precision
Influence is larger, and it is fixed trigger signal, the intrinsic electric parameter of semiconductor devices that prior art, which has butt welding to connect triggering mode,
Discreteness and inconsistent temperature drift the problem of.
The content of the invention
The utility model provides a kind of zero point delayed trigger circuit, to solve prior art presence pair in above-mentioned background technology
It is fixed trigger signal to weld triggering mode, and the discreteness and temperature drift of the intrinsic electric parameter of semiconductor devices are inconsistent
Problem.
The technical problem that the utility model is solved is realized using following technical scheme：The utility model provides one kind zero
Point delayed trigger circuit, including controllable silicon BG1~BG2, diode D1~D5, discharge capacity C1~C2, resistance R1~R4, have
Solid-state relay SSR1, electric bridge UR1, relay J1, switch element Q1, the controller M1 of zero Trigger Function；
The positive pole of the discharge capacity C1 is connected to controllable silicon BG1 anode, the negative pole ground connection of the discharge capacity C1, institute
The positive pole for stating discharge capacity C2 is connected to controllable silicon BG1 anode, the negative pole ground connection of the discharge capacity C2, the controllable silicon
BG1 negative electrode and controllable silicon BG2 negative electrode are welded in weldment one end, the weldment other end pre-contact and mother metal jointly, described
Mother metal is grounded, and the gate leve of the controllable silicon BG1 is connected to diode D1 negative electrode, and the gate leve of the controllable silicon BG2 is connected to two
Pole pipe D2 negative electrode, the anode of the diode D1 is connected to resistance R1 one end, and the anode of the diode D2 is connected to electricity
R2 one end is hindered, the other end of the resistance R2 and resistance R1 are commonly connected to diode D3 negative electrode, the diode D3's
Anode is connected to resistance R3 one end, and the other end of the resistance R3 is connected to electric bridge UR1 positive output end, the electric bridge UR1
Negative output terminal be connected to weldment one end, an input of the electric bridge UR1 is connected to Alternating Current Power Supply one end, and the exchange is supplied
The electric other end is connected to solid-state relay SSR1 contact one end, and the contact other end of the solid-state relay SSR1 is connected to electricity
Bridge UR1 another input, the contact J1_1 of relay J1 one end is connected to power supply, the contact of the relay J1
The J1_1 other end is connected to one end of solid-state relay SSR1 coil, the other end of the coil of the solid-state relay SSR1
Ground connection, one end of the resistance R4 is connected to power supply, and the other end of the resistance R4 is connected to relay J1 coil one end, institute
The other end for stating relay J1 coil is connected to switch element Q1 source electrode, and the drain electrode of the switch element Q1 is connected to two poles
Pipe D5 anode, the negative electrode of the diode D5 is connected to diode D4 anode, and the negative electrode of the diode D4 is connected to weldering
Part one end, the control pole of the switch element Q1 is connected to controller M1 control end.
Further, the zero point delayed trigger circuit also includes contact-making switch SB1, contact-making switch SB1 one end connection
In the output end of relay J1 coil, the other end is connected to switch element Q1 colelctor electrode.
Further, the switch element Q1 is FET.
Further, the controller M1 is programme control circut.
Further, the weldment and mother metal can be with reversal connections.
The beneficial effects of the utility model are：
1 this patent is connected to controllable silicon BG1 anode using the positive pole of the discharge capacity C1, the discharge capacity C1's
Negative pole is grounded, and the positive pole of the discharge capacity C2 is connected to controllable silicon BG1 anode, and the negative pole of the discharge capacity C2 is grounded,
The negative electrode of the controllable silicon BG1 and controllable silicon BG2 negative electrode are welded in weldment one end jointly, the weldment other end pre-contact with
Mother metal, the mother metal ground connection, the gate leve of the controllable silicon BG1 is connected to diode D1 negative electrode, the gate leve of the controllable silicon BG2
Diode D2 negative electrode is connected to, the anode of the diode D1 is connected to resistance R1 one end, the anode of the diode D2
Resistance R2 one end is connected to, the other end of the resistance R2 and resistance R1 are commonly connected to diode D3 negative electrode, described two
Pole pipe D3 anode is connected to resistance R3 one end, and the other end of the resistance R3 is connected to electric bridge UR1 positive output end, described
Electric bridge UR1 negative output terminal is connected to weldment one end, and an input of the electric bridge UR1 is connected to Alternating Current Power Supply one end, institute
State contact one end that the Alternating Current Power Supply other end is connected to solid-state relay SSR1, the contact other end of the solid-state relay SSR1
Electric bridge UR1 another input is connected to, the contact J1_1 of relay J1 one end is connected to power supply, the relay
The J1 contact J1_1 other end is connected to one end of solid-state relay SSR1 coil, the coil of the solid-state relay SSR1
Other end ground connection, one end of the resistance R4 is connected to power supply, and the other end of the resistance R4 is connected to relay J1 line
One end is enclosed, the other end of the coil of the relay J1 is connected to switch element Q1 anode, the negative electrode of the switch element Q1
Diode D5 anode is connected to, the negative electrode of the diode D5 is connected to diode D4 anode, the moon of the diode D4
Pole is connected to weldment one end, and the control pole of the switch element Q1 is connected to controller M1 control end, when in use, due to adopting
The original firing point that the quick controllable silicon BG1 and supper-fast high-frequency high-power controllable silicon BG2 being controlled is met with butt welding is carried out certainly
Dynamic control, i.e., the bridge rectifier constituted using circuit in electric bridge, in the incoming excessively stream of the ac input end of bridge rectifier
Zero solid switch device is caused after setting voltage with energy storage main capacitance ancestral C1 and C2 charging, by the switch conduction on welding gun, makes it
The relay coil of control electric discharge welding obtains electric, because the negative pole of J1 coils is high-power, because switch element is in charging capacitor
When group reaches charging, in positively biased saturation state, power supply+12 is welded to be promoted after relay normally open contact J1-1 closures so that
AC zero triggering solid-state relay positive pole is obtained electric and turned on, because the break-over of device causes discharge trigger circuit rectifier bridge to obtain electric,
Electric bridge positive pole parallel resistance leads it by resistance to the quick control machines level power supplies of BG1 and BG2 respectively in diodes in parallel
It is logical, due to the triggers circuit constituted using solid-state relay, in trigger process, automatic zero passage is realized, and trigger energy is steady
It is fixed to rise, so as to the original trigger point of Automatic-searching high-power switch device, so the reset condition triggered every time, reaches entirety
The uniformity of welding process, improves the practicality of welding.
2 this patents when discharge device negative electrode and welding workpiece with welding workpiece with by the progress of weldering mother metal reliably
When electrical equipment is connected, relay coil can not arrive conducting, after weldment by weldering mother metal with being reliably connected, BG1 and BG2 negative electrodes and weldering
Connect mother metal to be attached, now high-power silicon controlled rectifier BG1 and BG2 negative electrodes enter with GND and negative electrode by welding control microswitch
Row is turned on and carried out by J1-1 normally opened contacts, improves the reliability in circuit use.
3 this patent butt welding pick up initial point and carry out zero point delayed trigger technology, and it is sine-way zero position to make conducting every time,
And gradually risen with voltage, the self-service searching original firing point of high frequency super high power switching device, realization is progressively turned on, effective gram
The current lead-through precision for taking the inconsistency of semiconductor switch and being produced by temperature, reaches the uniformity of welding.
4 this patents are simple, practical, stable.
Brief description of the drawings
Fig. 1 is a kind of electrical schematic diagram of zero point delayed trigger circuit of the utility model.
Embodiment
The utility model is described further below in conjunction with accompanying drawing：
In figure：BG1~BG2- controllable silicons, D1~D5- diodes, C1~C2- discharge capacities, R1~R4- resistance, SSR1-
Solid-state relay, UR1- electric bridges, J1- relays, Q1- switch elements, M1- controllers.
Embodiment：
The present embodiment includes：As shown in figure 1, a kind of zero point delayed trigger circuit, including controllable silicon BG1~BG2, diode
D1~D5, discharge capacity C1~C2, resistance R1~R4, the solid-state relay SSR1 with zero Trigger Function, electric bridge UR1, relay
Device J1, switch element Q1, controller M1；
The positive pole of the discharge capacity C1 is connected to controllable silicon (BG1) anode, and the negative pole of the discharge capacity C1 is grounded,
The positive pole of the discharge capacity C2 is connected to controllable silicon B21 anode, the negative pole ground connection of the discharge capacity C2, the controllable silicon
BG1 negative electrode and controllable silicon BG2 negative electrode are welded in weldment one end, the weldment other end pre-contact and mother metal jointly, described
Mother metal is grounded, and the gate leve of the controllable silicon BG1 is connected to diode D1 negative electrode, and the gate leve of the controllable silicon BG2 is connected to two
Pole pipe D2 negative electrode, the anode of the diode D1 is connected to resistance R1 one end, and the anode of the diode D2 is connected to electricity
R2 one end is hindered, the other end of the resistance R2 and resistance R1 are commonly connected to diode D3 negative electrode, the diode D3's
Anode is connected to resistance R3 one end, and the other end of the resistance R3 is connected to electric bridge UR1 positive output end, the electric bridge UR1
Negative output terminal be connected to weldment one end, an input of the electric bridge UR1 is connected to Alternating Current Power Supply one end, and the exchange is supplied
The electric other end is connected to solid-state relay SSR1 contact one end, and the contact other end of the solid-state relay SSR1 is connected to electricity
Bridge UR1 another input, the contact J1_1 of relay J1 one end is connected to power supply, the contact of the relay J1
The J1_1 other end is connected to one end of solid-state relay SSR1 coil, the other end of the coil of the solid-state relay SSR1
Ground connection, one end of the resistance R4 is connected to power supply, and the other end of the resistance R4 is connected to relay J1 coil one end, institute
The other end for stating relay J1 coil is connected to switch element Q1 anode, and the negative electrode of the switch element Q1 is connected to two poles
Pipe D5 anode, the negative electrode of the diode D5 is connected to diode D4 anode, and the negative electrode of the diode D4 is connected to weldering
Part one end, the control pole of the switch element Q1 is connected to controller M1 control end.
The zero point delayed trigger circuit also includes contact-making switch SB1, and described contact-making switch SB1 one end is connected to relay
The output end of J1 coil, the other end is connected to switch element Q1 colelctor electrode.
The switch element Q1 is FET.
The controller M1 is programme control circut.
The weldment and mother metal can be with reversal connections.
Operation principle：The positive pole of the discharge capacity C1 is connected to controllable silicon (BG1) anode, the discharge capacity C1's
Negative pole is grounded, and the positive pole of the discharge capacity C2 is connected to controllable silicon B21 anode, and the negative pole of the discharge capacity C2 is grounded,
The negative electrode of the controllable silicon BG1 and controllable silicon BG2 negative electrode are welded in weldment one end jointly, the weldment other end pre-contact with
Mother metal, the mother metal ground connection, the gate leve of the controllable silicon BG1 is connected to diode D1 negative electrode, the gate leve of the controllable silicon BG2
Diode D2 negative electrode is connected to, the anode of the diode D1 is connected to resistance R1 one end, the anode of the diode D2
Resistance R2 one end is connected to, the other end of the resistance R2 and resistance R1 are commonly connected to diode D3 negative electrode, described two
Pole pipe D3 anode is connected to resistance R3 one end, and the other end of the resistance R3 is connected to electric bridge UR1 positive output end, described
Electric bridge UR1 negative output terminal is connected to weldment one end, and an input of the electric bridge UR1 is connected to Alternating Current Power Supply one end, institute
State contact one end that the Alternating Current Power Supply other end is connected to solid-state relay SSR1, the contact other end of the solid-state relay SSR1
Electric bridge UR1 another input is connected to, the contact J1_1 of relay J1 one end is connected to power supply, the relay
The J1 contact J1_1 other end is connected to one end of solid-state relay SSR1 coil, the coil of the solid-state relay SSR1
Other end ground connection, one end of the resistance R4 is connected to power supply, and the other end of the resistance R4 is connected to relay J1 line
One end is enclosed, the other end of the coil of the relay J1 is connected to switch element Q1 anode, the negative electrode of the switch element Q1
Diode D5 anode is connected to, the negative electrode of the diode D5 is connected to diode D4 anode, the moon of the diode D4
Pole is connected to weldment one end, and the control pole of the switch element Q1 is connected to controller M1 control end, when in use, due to adopting
The original firing point that the quick controllable silicon BG1 and supper-fast high-frequency high-power controllable silicon BG2 being controlled is met with butt welding is carried out certainly
Dynamic control, i.e., the bridge rectifier constituted using circuit in electric bridge, in the incoming excessively stream of the ac input end of bridge rectifier
Zero solid switch device is caused after setting voltage with energy storage main capacitance ancestral C1 and C2 charging, by the switch conduction on welding gun, makes it
The relay coil of control electric discharge welding obtains electric, because the negative pole of J1 coils is high-power, because switch element is in charging capacitor
When group reaches charging, in positively biased saturation state, power supply+12 is welded to be promoted after relay normally open contact J1-1 closures so that
AC zero triggering solid-state relay positive pole is obtained electric and turned on, because the break-over of device causes discharge trigger circuit rectifier bridge to obtain electric,
Electric bridge positive pole parallel resistance leads it by resistance to the quick control machines level power supplies of BG1 and BG2 respectively in diodes in parallel
It is logical, due to the triggers circuit constituted using solid-state relay, in trigger process, realize automatic zero passage, and trigger grace that
Amount is stable to be risen, so as to the original trigger point of automatic connection high-power switch device, so the reset condition triggered every time, reaches
The uniformity of integral solder process, it is fixed triggering letter that the utility model, which solves prior art to have butt welding to connect triggering mode,
Number, the problem of the discreteness and inconsistent temperature drift of the intrinsic electric parameter of semiconductor devices, with practicality is high, reliability
Good, the stable advantageous effects of high, uniformity.
Using the technical solution of the utility model, or those skilled in the art is in the inspiration of technical solutions of the utility model
Under, similar technical scheme is designed, and above-mentioned technique effect is reached, it is to fall into protection domain of the present utility model.
Claims (5)
1. a kind of zero point delayed trigger circuit, it is characterised in that including controllable silicon BG1~BG2, diode D1~D5, electric discharge electricity
Hold C1~C2, resistance R1~R4, the solid-state relay SSR1 with zero Trigger Function, electric bridge UR1, relay J1, switch element
Q1, controller M1；
The positive pole of the discharge capacity C1 is connected to controllable silicon BG1 anode, and the negative pole ground connection of the discharge capacity C1 is described to put
Electric capacity C2 positive pole is connected to controllable silicon BG1 anode, and the negative pole of the discharge capacity C2 is grounded, the controllable silicon BG1's
Negative electrode and controllable silicon BG2 negative electrode are welded in weldment one end, the weldment other end pre-contact and mother metal jointly, and the mother metal connects
Ground, the gate leve of the controllable silicon BG1 is connected to diode D1 negative electrode, and the gate leve of the controllable silicon BG2 is connected to diode D2
Negative electrode, the anode of the diode D1 is connected to resistance R1 one end, and the anode of the diode D2 is connected to resistance R2's
One end, the other end of the resistance R2 and resistance R1 is commonly connected to diode D3 negative electrode, and the anode of the diode D3 connects
Resistance R3 one end is connected to, the other end of the resistance R3 is connected to electric bridge UR1 positive output end, and the electric bridge UR1's is negative defeated
Go out end and be connected to weldment one end, an input of the electric bridge UR1 is connected to Alternating Current Power Supply one end, and the Alternating Current Power Supply is another
End is connected to solid-state relay SSR1 contact one end, and the contact other end of the solid-state relay SSR1 is connected to electric bridge UR1
Another input, the contact J1_1 of relay J1 one end is connected to power supply, the contact J1_1 of the relay J1
The other end be connected to solid-state relay SSR1 coil one end, another termination of the coil of the solid-state relay SSR1
Ground, one end of the resistance R4 is connected to power supply, and the other end of the resistance R4 is connected to relay J1 coil one end, described
The other end of relay J1 coil is connected to switch element Q1 anode, and the negative electrode of the switch element Q1 is connected to diode
D5 anode, the negative electrode of the diode D5 is connected to diode D4 anode, and the negative electrode of the diode D4 is connected to weldment
One end, the gate pole of the switch element Q1 is connected to controller M1 control end.
2. a kind of zero point delayed trigger circuit according to claim 1, it is characterised in that the zero point delayed trigger circuit
Also include contact-making switch SB1, described contact-making switch SB1 one end is connected to the output end of relay J1 coil, other end connection
In switch element Q1 colelctor electrode.
3. a kind of zero point delayed trigger circuit according to claim 1, it is characterised in that the switch element Q1 is imitated for field
Ying Guan.
4. a kind of zero point delayed trigger circuit according to claim 1, it is characterised in that the controller M1 is program-controlled electric
Road.
5. a kind of zero point delayed trigger circuit according to claim 1, it is characterised in that the weldment and mother metal can be anti-
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720039729.9U CN206509631U (en) | 2017-01-13 | 2017-01-13 | A kind of zero point delayed trigger circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720039729.9U CN206509631U (en) | 2017-01-13 | 2017-01-13 | A kind of zero point delayed trigger circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206509631U true CN206509631U (en) | 2017-09-22 |
Family
ID=59863771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720039729.9U Expired - Fee Related CN206509631U (en) | 2017-01-13 | 2017-01-13 | A kind of zero point delayed trigger circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206509631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746971A (en) * | 2018-07-23 | 2018-11-06 | 无锡市海鹰工程装备有限公司 | Condenser type spot welder |
-
2017
- 2017-01-13 CN CN201720039729.9U patent/CN206509631U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746971A (en) * | 2018-07-23 | 2018-11-06 | 无锡市海鹰工程装备有限公司 | Condenser type spot welder |
| CN108746971B (en) * | 2018-07-23 | 2023-10-27 | 无锡市海鹰工程装备有限公司 | Capacitor energy storage spot welder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170922 Termination date: 20200113 |