CN208811271U - Stud welding machine circuit control system - Google Patents
Stud welding machine circuit control system Download PDFInfo
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- CN208811271U CN208811271U CN201821579202.6U CN201821579202U CN208811271U CN 208811271 U CN208811271 U CN 208811271U CN 201821579202 U CN201821579202 U CN 201821579202U CN 208811271 U CN208811271 U CN 208811271U
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- circuit
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- stud welding
- power
- control circuit
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Abstract
The utility model discloses a kind of stud welding machine circuit control system, the circuit control system includes stud welding gun, control circuit and power input, control circuit includes control chip, first transformer, second transformer, power control circuit, charging control circuit, controllable silicon drive circuit and high-power silicon controlled rectifier, charactron is connected between control chip and power control circuit, rectifier bridge is connected separately between the secondary coil and charging control circuit of transformer, thyristor and relay, the first control switch is connected between controllable silicon drive circuit and stud welding gun.The stud welding machine circuit control system of the utility model can control voltage input, different output characteristics applied widely and can easily selecting power supply device according to actual needs, can satisfy the use of different occasions.
Description
[technical field]
The utility model relates to stud welding machine technical fields, specifically, being related to a kind of stud welding machine circuit control system.
[background technique]
Carbon steel, stainless steel, copper, aluminium alloy and zinc-plating material stud can be conveniently and efficiently welded on metal by stud welding machine
For workpiece surface without complicated conventional bonding technique and a large amount of after welding treatment, weld strength is high.Stud welding is answered extensively
For electrical, electronics, boiler, power construction, decoration and household electrical appliances, insulation fireproofing installation, shipbuilding, switchgear, transformer, iron
The industries such as road, the manufacture of sheet metal cabinet, construction industry, environmental protection, automobile and light industry.
According to such characteristic of stud welding machine, people can well solve the reparation problem of car surface, when automobile because
When hitting and sunk surface occur, only upper stud need to be welded using stud welding machine at the metal surface of recess, be to make with stud
Firmly fulcrum cooperates corresponding tool that can easily pull out the surface of automobile recess again, sets back completely simultaneously on surface
Just further repair process is able to carry out after stud is unloaded.
However, since it does not have an energy storage device, the required energy demand of when welding is directly converted from alternating current by transformer
Gained, in order to obtain enough energy, the connect alternating current of power supply device used in such stud welding machine must have sufficiently high
Supply voltage has sufficiently high overcurrent capability, this condition can not be met in Countries and area, therefore
There is limitation in the scope of application of such stud welding machine, marketing is restricted.
[utility model content]
The main purpose of the utility model, which is to provide one kind, can control voltage input, applied widely and can
It is electromechanical to can satisfy the arc stud welding that different occasions use for the different output characteristics for easily selecting power supply device according to actual needs
Path control system.
In order to realize above-mentioned main purpose, stud welding machine circuit control system provided by the utility model includes arc stud welding
Rifle, control circuit and power input, power input provide power supply for control circuit, and control circuit is output control signals to
Stud welding gun, control circuit include control chip, the first transformer, the second transformer, power control circuit, charge control electricity
Road, controllable silicon drive circuit and high-power silicon controlled rectifier, power input be respectively the primary coil of transformer, transformer just
Grade coil exports electric current, and two secondary coils of transformer are electrically connected with power control circuit, control chip and power supply control electricity
Charactron is connected between road；Rectifier bridge, thyristor are connected separately between the secondary coil and charging control circuit of transformer
And relay, the output end of rectifier bridge are electrically connected with the first end of thyristor, the second end of thyristor and relay it is normally opened
Contact electrical connection, the coil-end of relay are electrically connected with charging control circuit；Control chip is electrically connected with controllable silicon drive circuit,
Controllable silicon drive circuit is electrically connected with the first end of high-power silicon controlled rectifier, and second end and the stud welding gun of high-power silicon controlled rectifier are electrically connected
It connects, the first control switch is connected between controllable silicon drive circuit and stud welding gun.
Further embodiment is that control circuit further includes voltage detecting circuit, and voltage detecting circuit is electrically connected with control chip
It connects.
Further scheme is to be connected with capacitor group between the third end of voltage detecting circuit and high-power silicon controlled rectifier
And diode, capacitor group and diodes in parallel.
Further scheme is, stud welding machine circuit control system further include press from both sides, the normally closed touching of ground folder and relay
Point electrical connection.
Further scheme is to be also connected with power resistor between ground folder and the normally-closed contact of relay.
Further scheme is that control circuit further includes fuse and breaker, and fuse is connect with circuit breaker electric.
It can be seen that stud welding machine circuit control system provided by the utility model passes through transformer pressure-reducing, then by whole
Flowing bridge becomes direct current for alternating current, accurately controls silicon-controlled and control capacitor charging by control chip, discharges, power down is automatic
The functions such as compensation make storage capacitor abrupt release whole electricity complete entire welding process；Numeral method job menu and
Current nominal charge volume, man-machine communication's friendly interface is easy to operate, and charging precisely, can obtain automatic after electricity is lost naturally
Compensation, is not affected by temperature；Welding gun is charged by capacitor obtains voltage, and welding is completed in thyristor electric discharge, its main feature is that the time
It is short, thermal deformation is small.
Moreover, power input can control voltage input via power control circuit and transformer, and it is applied widely, it uses
Family can easily select the different output characteristics of power supply device according to actual needs, meet the use of different occasions.
[Detailed description of the invention]
Fig. 1 is the schematic diagram of the utility model stud welding machine circuit control system embodiment.
[specific embodiment]
In order to which the objects, technical solutions and advantages of utility model are more clearly understood, with reference to the accompanying drawings and embodiments,
The present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain this
Utility model, and it is not exclusively for the utility model.
Referring to Fig. 1, the stud welding machine circuit control system of the utility model includes stud welding gun 2, control circuit and electricity
Source input terminal 1, power input 1 provide power supply for control circuit, and control circuit outputs control signals to stud welding gun 2, for example,
Power input 1 can provide 220 volts of household AC voltage by external power supply for control circuit.Preferably, control circuit
It further include fuse FU1 and circuit breaker Q F, fuse FU1 is electrically connected with circuit breaker Q F.When electric current is more than specified value, fusing
Device FU1 makes melt fuse with the heat that itself is generated, can using disconnecting circuit and as short circuit and overcurrent protector；Open circuit
Device QF connects in circuit, disjunction and carrying rated operational current, and overload, short-circuit, under-voltage can occur in route
It is lower reliably to be protected.
Specifically, control circuit includes control chip 10, the first transformer T1, the second transformer T2, power control circuit
20, charging control circuit 30, controllable silicon drive circuit 50 and high-power silicon controlled rectifier VT1, power input 1 are respectively the first change
The primary coil of depressor T1, the second transformer T2 primary coil export electric current, two secondary coils of the first transformer T1 with
Power control circuit 20 is electrically connected, and is controlled and is connected with charactron 40, the second transformer between chip 10 and power control circuit 20
Rectifier bridge 60, thyristor VT2 and relay KM1 are connected separately between the secondary coil and charging control circuit 30 of T2, it is whole
The output end of stream bridge 60 is electrically connected with the first end of thyristor VT2, the second end of thyristor VT2 and the normally opened touching of relay KM1
Point electrical connection, the coil-end of relay KM1 are electrically connected with charging control circuit 30.Wherein, the first transformer T1 can be power supply
Control circuit 20 provides 15V voltage, and the second transformer T2 can provide 160V voltage for rectifier bridge 60, and power control circuit 20 passes through
12V voltage and 5V voltage can be provided to subsequent circuit after crossing power supply conversion, for example, power control circuit 20 can be to charging
Control circuit 30, controllable silicon drive circuit 50 provide 12V voltage, can also be to charactron 40, control chip 10, voltage detecting electricity
Road 70 provides 5V voltage.
In the present embodiment, control chip 10 be electrically connected with controllable silicon drive circuit 50, controllable silicon drive circuit 50 with greatly
The first end of power thyristor VT1 is electrically connected, and the second end of high-power silicon controlled rectifier VT1 is electrically connected with stud welding gun 2, silicon-controlled drive
The first control switch S1 is connected between dynamic circuit 50 and stud welding gun 2.
Preferably, control circuit further includes voltage detecting circuit 70, and voltage detecting circuit 70 is electrically connected with control chip 10,
Voltage zero-cross detection may be implemented in voltage detecting circuit 70, the loss of thyristor can be allowed to be preferably minimized, and can extend crystalline substance
The brake tube service life.
Preferably, be connected between voltage detecting circuit 70 and the third end of high-power silicon controlled rectifier VT1 capacitor group and
Diode D1, capacitor group are in parallel with diode D1.Source of the large bulk capacitance as welding energy is used in the present embodiment, is led to
The silicon-controlled VT1 of excessive power accurately controls discharge time, is melted at stud tip rapidly in a manner of moment low-voltage-heavy current
Change, merges stud and working face gap quickly, stud is firmly welded on working face.
Preferably, stud welding machine circuit control system further include press from both sides 3, the normally-closed contact of ground folder 3 and relay KM1 are electrically connected
It connects.Wherein, power resistor 61 is also connected between ground folder 3 and the normally-closed contact of relay KM1.
So stud welding machine circuit control system provided by the utility model passes through transformer pressure-reducing, then pass through rectifier bridge
Alternating current is become direct current by 60, is accurately controlled silicon-controlled and control capacitor charging by control chip 10, is discharged, power down is automatic
The functions such as compensation make storage capacitor abrupt release whole electricity complete entire welding process；Charactron 40 show job menu with
And current nominal charge volume, man-machine communication's friendly interface is easy to operate, and charging precisely, can obtain certainly after electricity is lost naturally
Dynamic compensation, is not affected by temperature；Stud welding gun 2 is charged by capacitor obtains voltage, and welding, feature are completed in thyristor electric discharge
It is that the time is short, thermal deformation is small.
Moreover, power input can control voltage input via power control circuit 20 and transformer, it is applied widely,
User can easily select the different output characteristics of power supply device according to actual needs, meet the use of different occasions.
It should be noted that the above is only the preferred embodiment of the utility model, but the design concept of utility model is not
It is confined to this, it is all to conceive the insubstantial modifications made to the utility model using this, also each fall within the protection of the utility model
Within the scope of.
Claims (6)
1. stud welding machine circuit control system, including stud welding gun, control circuit and power input, the power input
Power supply is provided for the control circuit, the control circuit outputs control signals to the stud welding gun, it is characterised in that:
The control circuit include control chip, the first transformer, the second transformer, power control circuit, charging control circuit,
Controllable silicon drive circuit and high-power silicon controlled rectifier, the power input be respectively first transformer primary coil,
The primary coil of second transformer exports electric current, two secondary coils of first transformer and power supply control electricity
Road electrical connection, is connected with charactron between the control chip and the power control circuit；
Be connected separately between the secondary coil and the charging control circuit of second transformer rectifier bridge, thyristor and
Relay, the output end of the rectifier bridge are electrically connected with the first end of the thyristor, the second end of the thyristor with it is described
The normally opened contact of relay is electrically connected, and the coil-end of the relay is electrically connected with the charging control circuit；
The control chip is electrically connected with the controllable silicon drive circuit, the controllable silicon drive circuit and described high-power controllable
The first end of silicon is electrically connected, and the second end of the high-power silicon controlled rectifier is electrically connected with the stud welding gun, the silicon-controlled driving
The first control switch is connected between circuit and the stud welding gun.
2. stud welding machine circuit control system according to claim 1, it is characterised in that:
The control circuit further includes voltage detecting circuit, and the voltage detecting circuit is electrically connected with the control chip.
3. stud welding machine circuit control system according to claim 2, it is characterised in that:
Capacitor group and diode, institute are connected between the voltage detecting circuit and the third end of the high-power silicon controlled rectifier
State capacitor group and the diodes in parallel.
4. stud welding machine circuit control system according to any one of claims 1 to 3, it is characterised in that:
The stud welding machine circuit control system further include press from both sides, press from both sides and be electrically connected with the normally-closed contact of the relay describedly.
5. stud welding machine circuit control system according to claim 4, it is characterised in that:
It presss from both sides describedly and is also connected with power resistor between the normally-closed contact of the relay.
6. stud welding machine circuit control system according to any one of claims 1 to 3, it is characterised in that:
The control circuit further includes fuse and breaker, and the fuse is connect with the circuit breaker electric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821579202.6U CN208811271U (en) | 2018-09-27 | 2018-09-27 | Stud welding machine circuit control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821579202.6U CN208811271U (en) | 2018-09-27 | 2018-09-27 | Stud welding machine circuit control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208811271U true CN208811271U (en) | 2019-05-03 |
Family
ID=66278539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821579202.6U Active CN208811271U (en) | 2018-09-27 | 2018-09-27 | Stud welding machine circuit control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208811271U (en) |
-
2018
- 2018-09-27 CN CN201821579202.6U patent/CN208811271U/en active Active
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